30833968 has 40 divisors (see below), whose sum is σ = 66776976. Its totient is φ = 13670400.

The previous prime is 30833947. The next prime is 30833981. The reversal of 30833968 is 86933803.

It is a self number, because there is not a number n which added to its sum of digits gives 30833968.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5080 + ... + 9352.

Almost surely, 2^30833968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30833968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33388488).

30833968 is an abundant number, since it is smaller than the sum of its proper divisors (35943008).

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

30833968 is a wasteful number, since it uses less digits than its factorization.

30833968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4327 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 30833968 is about 5552.8342312733. The cubic root of 30833968 is about 313.5762333613.

The spelling of 30833968 in words is "thirty million, eight hundred thirty-three thousand, nine hundred sixty-eight".