697406928 has 40 divisors (see below), whose sum is σ = 1802706048. Its totient is φ = 232330752.

The previous prime is 697406909. The next prime is 697406933. The reversal of 697406928 is 829604796.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106600 + ... + 112952.

Almost surely, 2^697406928 is an apocalyptic number.

It is an amenable number.

697406928 is an abundant number, since it is smaller than the sum of its proper divisors (1105299120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697406928 is a wasteful number, since it uses less digits than its factorization.

697406928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651 (or 8645 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 697406928 is about 26408.4631889097. The cubic root of 697406928 is about 886.8062646643.

The spelling of 697406928 in words is "six hundred ninety-seven million, four hundred six thousand, nine hundred twenty-eight".