697988952 has 48 divisors (see below), whose sum is σ = 1905296640. Its totient is φ = 230827968.

The previous prime is 697988933. The next prime is 697988987. The reversal of 697988952 is 259889796.

It is a super-2 number, since 2×697988952² = 974377154228116608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 697988952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29023 + ... + 47310.

It is an arithmetic number, because the mean of its divisors is an integer number (39693680).

Almost surely, 2^697988952 is an apocalyptic number.

It is an amenable number.

697988952 is an abundant number, since it is smaller than the sum of its proper divisors (1207307688).

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

697988952 is a wasteful number, since it uses less digits than its factorization.

697988952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76472 (or 76465 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 63.

The square root of 697988952 is about 26419.4805399349. The cubic root of 697988952 is about 887.0528920837.

The spelling of 697988952 in words is "six hundred ninety-seven million, nine hundred eighty-eight thousand, nine hundred fifty-two".