30939196 has 6 divisors (see below), whose sum is σ = 54143600. Its totient is φ = 15469596.

The previous prime is 30939191. The next prime is 30939203. The reversal of 30939196 is 69193903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30939191) 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 as a sum of consecutive naturals, namely, 3867396 + ... + 3867403.

Almost surely, 2^30939196 is an apocalyptic number.

It is an amenable number.

30939196 is a deficient number, since it is larger than the sum of its proper divisors (23204404).

30939196 is a wasteful number, since it uses less digits than its factorization.

30939196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734803 (or 7734801 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 40.

The square root of 30939196 is about 5562.3013222946. The cubic root of 30939196 is about 313.9325453165.

The spelling of 30939196 in words is "thirty million, nine hundred thirty-nine thousand, one hundred ninety-six".