6697988 has 24 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 3024800.

The previous prime is 6697979. The next prime is 6698009. The reversal of 6697988 is 8897966.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8006 + ... + 8802.

It is an arithmetic number, because the mean of its divisors is an integer number (536256).

Almost surely, 2^6697988 is an apocalyptic number.

It is an amenable number.

6697988 is a deficient number, since it is larger than the sum of its proper divisors (6172156).

6697988 is a wasteful number, since it uses less digits than its factorization.

6697988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 1001 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 6697988 is about 2588.0471402198. The cubic root of 6697988 is about 188.5014904183.

The spelling of 6697988 in words is "six million, six hundred ninety-seven thousand, nine hundred eighty-eight".