204084634 has 16 divisors (see below), whose sum is σ = 337717800. Its totient is φ = 91895040.

The previous prime is 204084623. The next prime is 204084659. The reversal of 204084634 is 436480402.

It can be written as a sum of positive squares in 4 ways, for example, as 28654609 + 175430025 = 5353^2 + 13245^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204084596 and 204084605.

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, 94659 + ... + 96790.

Almost surely, 2^204084634 is an apocalyptic number.

204084634 is a deficient number, since it is larger than the sum of its proper divisors (133633166).

204084634 is a wasteful number, since it uses less digits than its factorization.

204084634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191505.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 204084634 is about 14285.8193324709. The cubic root of 204084634 is about 588.7579290106.

The spelling of 204084634 in words is "two hundred four million, eighty-four thousand, six hundred thirty-four".