30974936 has 16 divisors (see below), whose sum is σ = 58779000. Its totient is φ = 15300544.

The previous prime is 30974917. The next prime is 30974953. The reversal of 30974936 is 63947903.

It is a junction number, because it is equal to n+sod(n) for n = 30974893 and 30974902.

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 3 ways as a sum of consecutive naturals, for example, 22661 + ... + 23988.

Almost surely, 2^30974936 is an apocalyptic number.

It is an amenable number.

30974936 is a deficient number, since it is larger than the sum of its proper divisors (27804064).

30974936 is a wasteful number, since it uses less digits than its factorization.

30974936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46738 (or 46734 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 30974936 is about 5565.5130940462. The cubic root of 30974936 is about 314.0533805146.

The spelling of 30974936 in words is "thirty million, nine hundred seventy-four thousand, nine hundred thirty-six".