30823968 has 48 divisors (see below), whose sum is σ = 92473920. Its totient is φ = 8806656.

The previous prime is 30823943. The next prime is 30823973. The reversal of 30823968 is 86932803.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22263 + ... + 23606.

It is an arithmetic number, because the mean of its divisors is an integer number (1926540).

Almost surely, 2^30823968 is an apocalyptic number.

It is an amenable number.

30823968 is an abundant number, since it is smaller than the sum of its proper divisors (61649952).

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

30823968 is a wasteful number, since it uses less digits than its factorization.

30823968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45889 (or 45881 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 30823968 is about 5551.9337171836. The cubic root of 30823968 is about 313.5423302603.

The spelling of 30823968 in words is "thirty million, eight hundred twenty-three thousand, nine hundred sixty-eight".