204472688 has 30 divisors (see below), whose sum is σ = 460847736. Its totient is φ = 87630816.

The previous prime is 204472663. The next prime is 204472703. The reversal of 204472688 is 886274402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129620 + ... + 131187.

Almost surely, 2^204472688 is an apocalyptic number.

204472688 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204472688 is an abundant number, since it is smaller than the sum of its proper divisors (256375048).

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

204472688 is a wasteful number, since it uses less digits than its factorization.

204472688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260829 (or 260816 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 204472688 is about 14299.3946725027. The cubic root of 204472688 is about 589.1308547109.

The spelling of 204472688 in words is "two hundred four million, four hundred seventy-two thousand, six hundred eighty-eight".