204889494 has 16 divisors (see below), whose sum is σ = 410899968. Its totient is φ = 68109672.

The previous prime is 204889469. The next prime is 204889541. The reversal of 204889494 is 494988402.

It is a Curzon number.

It is a congruent number.

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, 44322 + ... + 48725.

It is an arithmetic number, because the mean of its divisors is an integer number (25681248).

Almost surely, 2^204889494 is an apocalyptic number.

204889494 is an abundant number, since it is smaller than the sum of its proper divisors (206010474).

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

204889494 is a wasteful number, since it uses less digits than its factorization.

204889494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93419.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 204889494 is about 14313.9615061659. The cubic root of 204889494 is about 589.5308863195.

The spelling of 204889494 in words is "two hundred four million, eight hundred eighty-nine thousand, four hundred ninety-four".