204292089 has 12 divisors (see below), whose sum is σ = 295503936. Its totient is φ = 136003032.

The previous prime is 204292087. The next prime is 204292093. The reversal of 204292089 is 980292402.

204292089 is a `hidden beast` number, since 20 + 429 + 208 + 9 = 666.

It is not a de Polignac number, because 204292089 - 2¹ = 204292087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204292087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9069 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (24625328).

Almost surely, 2^204292089 is an apocalyptic number.

It is an amenable number.

204292089 is a deficient number, since it is larger than the sum of its proper divisors (91211847).

204292089 is a wasteful number, since it uses less digits than its factorization.

204292089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31956 (or 31953 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 204292089 is about 14293.0783598216. The cubic root of 204292089 is about 588.9573551199.

The spelling of 204292089 in words is "two hundred four million, two hundred ninety-two thousand, eighty-nine".