204534856 has 32 divisors (see below), whose sum is σ = 387798840. Its totient is φ = 101129728.

The previous prime is 204534809. The next prime is 204534857. The reversal of 204534856 is 658435402.

It can be written as a sum of positive squares in 4 ways, for example, as 162154756 + 42380100 = 12734^2 + 6510^2 .

It is not an unprimeable number, because it can be changed into a prime (204534857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366930 + ... + 367486.

Almost surely, 2^204534856 is an apocalyptic number.

It is an amenable number.

204534856 is a deficient number, since it is larger than the sum of its proper divisors (183263984).

204534856 is a wasteful number, since it uses less digits than its factorization.

204534856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 204534856 is about 14301.5683056090. The cubic root of 204534856 is about 589.1905552283.

The spelling of 204534856 in words is "two hundred four million, five hundred thirty-four thousand, eight hundred fifty-six".