30645996 has 24 divisors (see below), whose sum is σ = 72414720. Its totient is φ = 10085712.

The previous prime is 30645991. The next prime is 30646043. The reversal of 30645996 is 69954603.

It is not an unprimeable number, because it can be changed into a prime (30645991) 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, 15216 + ... + 17111.

It is an arithmetic number, because the mean of its divisors is an integer number (3017280).

Almost surely, 2^30645996 is an apocalyptic number.

It is an amenable number.

30645996 is an abundant number, since it is smaller than the sum of its proper divisors (41768724).

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

30645996 is a wasteful number, since it uses less digits than its factorization.

30645996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32413 (or 32411 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 30645996 is about 5535.8825854601. The cubic root of 30645996 is about 312.9377196120.

The spelling of 30645996 in words is "thirty million, six hundred forty-five thousand, nine hundred ninety-six".