204314638 has 16 divisors (see below), whose sum is σ = 351930240. Its totient is φ = 87982200.

The previous prime is 204314633. The next prime is 204314639. The reversal of 204314638 is 836413402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204314633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243978 + ... + 244813.

It is an arithmetic number, because the mean of its divisors is an integer number (21995640).

Almost surely, 2^204314638 is an apocalyptic number.

204314638 is a deficient number, since it is larger than the sum of its proper divisors (147615602).

204314638 is a wasteful number, since it uses less digits than its factorization.

204314638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488823.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 204314638 is about 14293.8671464373. The cubic root of 204314638 is about 588.9790232959.

The spelling of 204314638 in words is "two hundred four million, three hundred fourteen thousand, six hundred thirty-eight".