204992428 has 24 divisors (see below), whose sum is σ = 366093504. Its totient is φ = 100416000.

The previous prime is 204992413. The next prime is 204992467. The reversal of 204992428 is 824299402.

204992428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36573 + ... + 41803.

It is an arithmetic number, because the mean of its divisors is an integer number (15253896).

Almost surely, 2^204992428 is an apocalyptic number.

It is an amenable number.

204992428 is a deficient number, since it is larger than the sum of its proper divisors (161101076).

204992428 is a wasteful number, since it uses less digits than its factorization.

204992428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 204992428 is about 14317.5566351246. The cubic root of 204992428 is about 589.6295941837.

The spelling of 204992428 in words is "two hundred four million, nine hundred ninety-two thousand, four hundred twenty-eight".