30893900 has 18 divisors (see below), whose sum is σ = 67039980. Its totient is φ = 12357520.

The previous prime is 30893881. The next prime is 30893917. The reversal of 30893900 is 939803.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154370 + ... + 154569.

Almost surely, 2^30893900 is an apocalyptic number.

It is an amenable number.

30893900 is an abundant number, since it is smaller than the sum of its proper divisors (36146080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30893900 is a wasteful number, since it uses less digits than its factorization.

30893900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308953 (or 308946 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 30893900 is about 5558.2281349365. The cubic root of 30893900 is about 313.7792679691.

The spelling of 30893900 in words is "thirty million, eight hundred ninety-three thousand, nine hundred".