30656416 has 24 divisors (see below), whose sum is σ = 68977440. Its totient is φ = 13138368.

The previous prime is 30656413. The next prime is 30656441. The reversal of 30656416 is 61465603.

It is not an unprimeable number, because it can be changed into a prime (30656413) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68206 + ... + 68653.

It is an arithmetic number, because the mean of its divisors is an integer number (2874060).

Almost surely, 2^30656416 is an apocalyptic number.

It is an amenable number.

30656416 is an abundant number, since it is smaller than the sum of its proper divisors (38321024).

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

30656416 is a wasteful number, since it uses less digits than its factorization.

30656416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136876 (or 136868 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 30656416 is about 5536.8236381521. The cubic root of 30656416 is about 312.9731830979.

The spelling of 30656416 in words is "thirty million, six hundred fifty-six thousand, four hundred sixteen".