204113986 has 16 divisors (see below), whose sum is σ = 311706648. Its totient is φ = 100224000.

The previous prime is 204113963. The next prime is 204113989. The reversal of 204113986 is 689311402.

It can be written as a sum of positive squares in 4 ways, for example, as 202066225 + 2047761 = 14215^2 + 1431^2 .

It is not an unprimeable number, because it can be changed into a prime (204113989) 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, 32286 + ... + 38086.

Almost surely, 2^204113986 is an apocalyptic number.

204113986 is a deficient number, since it is larger than the sum of its proper divisors (107592662).

204113986 is a wasteful number, since it uses less digits than its factorization.

204113986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 204113986 is about 14286.8466079818. The cubic root of 204113986 is about 588.7861532396.

The spelling of 204113986 in words is "two hundred four million, one hundred thirteen thousand, nine hundred eighty-six".