30929320 has 32 divisors (see below), whose sum is σ = 71838720. Its totient is φ = 11972160.

The previous prime is 30929317. The next prime is 30929333. The reversal of 30929320 is 2392903.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11232 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (2244960).

Almost surely, 2^30929320 is an apocalyptic number.

It is an amenable number.

30929320 is an abundant number, since it is smaller than the sum of its proper divisors (40909400).

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

30929320 is a wasteful number, since it uses less digits than its factorization.

30929320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985 (or 24981 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 30929320 is about 5561.4134893928. The cubic root of 30929320 is about 313.8991386332.

The spelling of 30929320 in words is "thirty million, nine hundred twenty-nine thousand, three hundred twenty".