30808368 has 30 divisors (see below), whose sum is σ = 86221044. Its totient is φ = 10269408.

The previous prime is 30808363. The next prime is 30808381. The reversal of 30808368 is 86380803.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30808363) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 106830 + ... + 107117.

Almost surely, 2^30808368 is an apocalyptic number.

It is an amenable number.

30808368 is an abundant number, since it is smaller than the sum of its proper divisors (55412676).

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

30808368 is a wasteful number, since it uses less digits than its factorization.

30808368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213961 (or 213952 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 30808368 is about 5550.5286234736. The cubic root of 30808368 is about 313.4894267780.

The spelling of 30808368 in words is "thirty million, eight hundred eight thousand, three hundred sixty-eight".