30939704 has 32 divisors (see below), whose sum is σ = 60516720. Its totient is φ = 14816256.

The previous prime is 30939691. The next prime is 30939709. The reversal of 30939704 is 40793903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30939709) 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 in 7 ways as a sum of consecutive naturals, for example, 17384 + ... + 19080.

Almost surely, 2^30939704 is an apocalyptic number.

It is an amenable number.

30939704 is a deficient number, since it is larger than the sum of its proper divisors (29577016).

30939704 is a wasteful number, since it uses less digits than its factorization.

30939704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 30939704 is about 5562.3469866595. The cubic root of 30939704 is about 313.9342634915.

The spelling of 30939704 in words is "thirty million, nine hundred thirty-nine thousand, seven hundred four".