30939652 has 6 divisors (see below), whose sum is σ = 54144398. Its totient is φ = 15469824.

The previous prime is 30939647. The next prime is 30939653. The reversal of 30939652 is 25693903.

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 1498176 = 5426^2 + 1224^2 .

It is a super-2 number, since 2×30939652² = 1914524131762208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30939653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3867453 + ... + 3867460.

Almost surely, 2^30939652 is an apocalyptic number.

It is an amenable number.

30939652 is a deficient number, since it is larger than the sum of its proper divisors (23204746).

30939652 is a wasteful number, since it uses less digits than its factorization.

30939652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734917 (or 7734915 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 30939652 is about 5562.3423123717. The cubic root of 30939652 is about 313.9340876162.

The spelling of 30939652 in words is "thirty million, nine hundred thirty-nine thousand, six hundred fifty-two".