30657964 has 12 divisors (see below), whose sum is σ = 53877600. Its totient is φ = 15264368.

The previous prime is 30657947. The next prime is 30657971. The reversal of 30657964 is 46975603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15079 + ... + 16990.

It is an arithmetic number, because the mean of its divisors is an integer number (4489800).

Almost surely, 2^30657964 is an apocalyptic number.

It is an amenable number.

30657964 is a deficient number, since it is larger than the sum of its proper divisors (23219636).

30657964 is a wasteful number, since it uses less digits than its factorization.

30657964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32312 (or 32310 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 30657964 is about 5536.9634277282. The cubic root of 30657964 is about 312.9784508840.

The spelling of 30657964 in words is "thirty million, six hundred fifty-seven thousand, nine hundred sixty-four".