204273400 has 24 divisors (see below), whose sum is σ = 474936120. Its totient is φ = 81709280.

The previous prime is 204273397. The next prime is 204273401. The reversal of 204273400 is 4372402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204273401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510484 + ... + 510883.

It is an arithmetic number, because the mean of its divisors is an integer number (19789005).

Almost surely, 2^204273400 is an apocalyptic number.

204273400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204273400 is an abundant number, since it is smaller than the sum of its proper divisors (270662720).

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

204273400 is a wasteful number, since it uses less digits than its factorization.

204273400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021383 (or 1021374 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 204273400 is about 14292.4245668816. The cubic root of 204273400 is about 588.9393949536.

The spelling of 204273400 in words is "two hundred four million, two hundred seventy-three thousand, four hundred".