30855204 has 36 divisors (see below), whose sum is σ = 82584684. Its totient is φ = 9679872.

The previous prime is 30855193. The next prime is 30855211. The reversal of 30855204 is 40255803.

It can be written as a sum of positive squares in 2 ways, for example, as 17239104 + 13616100 = 4152^2 + 3690^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30855204² = 1904087227763232, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 24597 + ... + 25820.

It is an arithmetic number, because the mean of its divisors is an integer number (2294019).

Almost surely, 2^30855204 is an apocalyptic number.

30855204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30855204 is an abundant number, since it is smaller than the sum of its proper divisors (51729480).

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

30855204 is a wasteful number, since it uses less digits than its factorization.

30855204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50444 (or 50439 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 30855204 is about 5554.7460788050. The cubic root of 30855204 is about 313.6482056822.

The spelling of 30855204 in words is "thirty million, eight hundred fifty-five thousand, two hundred four".