697313838 has 16 divisors (see below), whose sum is σ = 1501906896. Its totient is φ = 214558080.

The previous prime is 697313831. The next prime is 697313849. The reversal of 697313838 is 838313796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697313831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4469883 + ... + 4470038.

It is an arithmetic number, because the mean of its divisors is an integer number (93869181).

Almost surely, 2^697313838 is an apocalyptic number.

697313838 is an abundant number, since it is smaller than the sum of its proper divisors (804593058).

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

697313838 is a wasteful number, since it uses less digits than its factorization.

697313838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8939939.

The product of its digits is 653184, while the sum is 48.

The square root of 697313838 is about 26406.7006269242. The cubic root of 697313838 is about 886.7668058896.

The spelling of 697313838 in words is "six hundred ninety-seven million, three hundred thirteen thousand, eight hundred thirty-eight".