30964936 has 8 divisors (see below), whose sum is σ = 58059270. Its totient is φ = 15482464.

The previous prime is 30964933. The next prime is 30964943. The reversal of 30964936 is 63946903.

It can be written as a sum of positive squares in only one way, i.e., 25060036 + 5904900 = 5006^2 + 2430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×30964936² = 1917654522968192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30964931) 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 as a sum of consecutive naturals, namely, 1935301 + ... + 1935316.

Almost surely, 2^30964936 is an apocalyptic number.

It is an amenable number.

30964936 is a deficient number, since it is larger than the sum of its proper divisors (27094334).

30964936 is a wasteful number, since it uses less digits than its factorization.

30964936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870623 (or 3870619 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 30964936 is about 5564.6146317602. The cubic root of 30964936 is about 314.0195803712.

The spelling of 30964936 in words is "thirty million, nine hundred sixty-four thousand, nine hundred thirty-six".