30864568 has 32 divisors (see below), whose sum is σ = 66792960. Its totient is φ = 13096800.

The previous prime is 30864563. The next prime is 30864601. The reversal of 30864568 is 86546803.

It is a self number, because there is not a number n which added to its sum of digits gives 30864568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30864563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3093 + ... + 8443.

It is an arithmetic number, because the mean of its divisors is an integer number (2087280).

Almost surely, 2^30864568 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 30864568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33396480).

30864568 is an abundant number, since it is smaller than the sum of its proper divisors (35928392).

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

30864568 is a wasteful number, since it uses less digits than its factorization.

30864568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467 (or 5463 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 30864568 is about 5555.5888976777. The cubic root of 30864568 is about 313.6799313380.

The spelling of 30864568 in words is "thirty million, eight hundred sixty-four thousand, five hundred sixty-eight".