204536790 has 24 divisors (see below), whose sum is σ = 531795888. Its totient is φ = 54543120.

The previous prime is 204536779. The next prime is 204536821. The reversal of 204536790 is 97635402.

204536790 is a `hidden beast` number, since 204 + 5 + 367 + 90 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1136226 + ... + 1136405.

It is an arithmetic number, because the mean of its divisors is an integer number (22158162).

Almost surely, 2^204536790 is an apocalyptic number.

204536790 is an abundant number, since it is smaller than the sum of its proper divisors (327259098).

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

204536790 is a wasteful number, since it uses less digits than its factorization.

204536790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272644 (or 2272641 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 204536790 is about 14301.6359204113. The cubic root of 204536790 is about 589.1924122727.

The spelling of 204536790 in words is "two hundred four million, five hundred thirty-six thousand, seven hundred ninety".