30977308 has 24 divisors (see below), whose sum is σ = 56415744. Its totient is φ = 14866800.

The previous prime is 30977299. The next prime is 30977311. The reversal of 30977308 is 80377903.

It is a super-2 number, since 2×30977308² = 1919187221853728, which contains 22 as substring.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 15291 + ... + 17197.

It is an arithmetic number, because the mean of its divisors is an integer number (2350656).

Almost surely, 2^30977308 is an apocalyptic number.

It is an amenable number.

30977308 is a deficient number, since it is larger than the sum of its proper divisors (25438436).

30977308 is a wasteful number, since it uses less digits than its factorization.

30977308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 30977308 is about 5565.7261880190. The cubic root of 30977308 is about 314.0613968411.

The spelling of 30977308 in words is "thirty million, nine hundred seventy-seven thousand, three hundred eight".