204089004 has 96 divisors (see below), whose sum is σ = 607040000. Its totient is φ = 58086720.

The previous prime is 204088957. The next prime is 204089009. The reversal of 204089004 is 400980402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (204089009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376974 + ... + 377514.

Almost surely, 2^204089004 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 204089004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303520000).

204089004 is an abundant number, since it is smaller than the sum of its proper divisors (402950996).

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

204089004 is a wasteful number, since it uses less digits than its factorization.

204089004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 204089004 is about 14285.9722805275. The cubic root of 204089004 is about 588.7621312767.

The spelling of 204089004 in words is "two hundred four million, eighty-nine thousand, four".