30953968 has 20 divisors (see below), whose sum is σ = 60109000. Its totient is φ = 15441984.

The previous prime is 30953959. The next prime is 30953987. The reversal of 30953968 is 86935903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046 + ... + 9922.

It is an arithmetic number, because the mean of its divisors is an integer number (3005450).

Almost surely, 2^30953968 is an apocalyptic number.

It is an amenable number.

30953968 is a deficient number, since it is larger than the sum of its proper divisors (29155032).

30953968 is a wasteful number, since it uses less digits than its factorization.

30953968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384 (or 4378 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 30953968 is about 5563.6290314866. The cubic root of 30953968 is about 313.9825000051.

The spelling of 30953968 in words is "thirty million, nine hundred fifty-three thousand, nine hundred sixty-eight".