204090484 has 36 divisors (see below), whose sum is σ = 399262080. Its totient is φ = 91147680.

The previous prime is 204090473. The next prime is 204090493. The reversal of 204090484 is 484090402.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 16087 + ... + 25825.

Almost surely, 2^204090484 is an apocalyptic number.

It is an amenable number.

204090484 is a deficient number, since it is larger than the sum of its proper divisors (195171596).

204090484 is a wasteful number, since it uses less digits than its factorization.

204090484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9800 (or 9785 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 204090484 is about 14286.0240794981. The cubic root of 204090484 is about 588.7635544561.

The spelling of 204090484 in words is "two hundred four million, ninety thousand, four hundred eighty-four".