30646956 has 48 divisors (see below), whose sum is σ = 73198944. Its totient is φ = 9977856.

The previous prime is 30646927. The next prime is 30646963. The reversal of 30646956 is 65964603.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 131416 + ... + 131648.

It is an arithmetic number, because the mean of its divisors is an integer number (1524978).

Almost surely, 2^30646956 is an apocalyptic number.

It is an amenable number.

30646956 is an abundant number, since it is smaller than the sum of its proper divisors (42551988).

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

30646956 is a wasteful number, since it uses less digits than its factorization.

30646956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 30646956 is about 5535.9692918223. The cubic root of 30646956 is about 312.9409872175.

The spelling of 30646956 in words is "thirty million, six hundred forty-six thousand, nine hundred fifty-six".