697613906 has 16 divisors (see below), whose sum is σ = 1145279520. Its totient is φ = 316061280.

The previous prime is 697613869. The next prime is 697613911. The reversal of 697613906 is 609316796.

It is a happy number.

697613906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 44891 + ... + 58398.

It is an arithmetic number, because the mean of its divisors is an integer number (71579970).

Almost surely, 2^697613906 is an apocalyptic number.

697613906 is a deficient number, since it is larger than the sum of its proper divisors (447665614).

697613906 is a wasteful number, since it uses less digits than its factorization.

697613906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103609.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 697613906 is about 26412.3816798107. The cubic root of 697613906 is about 886.8939854409.

The spelling of 697613906 in words is "six hundred ninety-seven million, six hundred thirteen thousand, nine hundred six".