204009672 has 16 divisors (see below), whose sum is σ = 510024240. Its totient is φ = 68003216.

The previous prime is 204009671. The next prime is 204009677. The reversal of 204009672 is 276900402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (204009671) 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 3 ways as a sum of consecutive naturals, for example, 4250178 + ... + 4250225.

It is an arithmetic number, because the mean of its divisors is an integer number (31876515).

Almost surely, 2^204009672 is an apocalyptic number.

It is an amenable number.

204009672 is an abundant number, since it is smaller than the sum of its proper divisors (306014568).

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

204009672 is a wasteful number, since it uses less digits than its factorization.

204009672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8500412 (or 8500408 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 204009672 is about 14283.1954407969. The cubic root of 204009672 is about 588.6858349390.

The spelling of 204009672 in words is "two hundred four million, nine thousand, six hundred seventy-two".