697867056 has 40 divisors (see below), whose sum is σ = 2003138160. Its totient is φ = 232622208.

The previous prime is 697867033. The next prime is 697867057. The reversal of 697867056 is 650768796.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 697866993 and 697867011.

It is not an unprimeable number, because it can be changed into a prime (697867057) by changing a digit.

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, 807285 + ... + 808148.

It is an arithmetic number, because the mean of its divisors is an integer number (50078454).

Almost surely, 2^697867056 is an apocalyptic number.

It is an amenable number.

697867056 is an abundant number, since it is smaller than the sum of its proper divisors (1305271104).

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

697867056 is a wasteful number, since it uses less digits than its factorization.

697867056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615450 (or 1615438 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The square root of 697867056 is about 26417.1735051273. The cubic root of 697867056 is about 887.0012511067.

The spelling of 697867056 in words is "six hundred ninety-seven million, eight hundred sixty-seven thousand, fifty-six".