Can I put the name of the product on the main picture

No, the image can only have the product in it. Here are the guidelines from the listing creation tool.
Images must meet the following requirements:

• Products must fill at least 85% of the image. Images must show only the product that is for sale, with few or no props and with no logos, watermarks or inset images. Images may only contain text that is a part of the product.
• Main images must have a pure white background, must be a photo (not a drawing) and must not contain excluded accessories.
• Images must be at least 1,000 pixels on the longest side and at least 500 pixels on the shortest side to be zoom-able.
• Images must not exceed 10,000 pixels on the longest side.
• JPEG is the preferred image format, but you also may use TIFF and GIF files.