30960928 has 12 divisors (see below), whose sum is σ = 60954390. Its totient is φ = 15480448.

The previous prime is 30960913. The next prime is 30960929. The reversal of 30960928 is 82906903.

It can be written as a sum of positive squares in only one way, i.e., 25522704 + 5438224 = 5052^2 + 2332^2 .

It is not an unprimeable number, because it can be changed into a prime (30960929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483733 + ... + 483796.

Almost surely, 2^30960928 is an apocalyptic number.

It is an amenable number.

30960928 is a deficient number, since it is larger than the sum of its proper divisors (29993462).

30960928 is an equidigital number, since it uses as much as digits as its factorization.

30960928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967539 (or 967531 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 30960928 is about 5564.2544873505. The cubic root of 30960928 is about 314.0060312309.

The spelling of 30960928 in words is "thirty million, nine hundred sixty thousand, nine hundred twenty-eight".