204609372 has 48 divisors (see below), whose sum is σ = 529382784. Its totient is φ = 60984000.

The previous prime is 204609367. The next prime is 204609389. The reversal of 204609372 is 273906402.

It is a super-2 number, since 2×204609372² = 83729990220468768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4654 + ... + 20757.

It is an arithmetic number, because the mean of its divisors is an integer number (11028808).

Almost surely, 2^204609372 is an apocalyptic number.

204609372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

204609372 is an abundant number, since it is smaller than the sum of its proper divisors (324773412).

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

204609372 is a wasteful number, since it uses less digits than its factorization.

204609372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490 (or 25488 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 204609372 is about 14304.1732372060. The cubic root of 204609372 is about 589.2620977087.

The spelling of 204609372 in words is "two hundred four million, six hundred nine thousand, three hundred seventy-two".