204868746 has 12 divisors (see below), whose sum is σ = 443882322. Its totient is φ = 68289576.

The previous prime is 204868721. The next prime is 204868747. The reversal of 204868746 is 647868402.

It can be written as a sum of positive squares in only one way, i.e., 110565225 + 94303521 = 10515^2 + 9711^2 .

It is a super-2 number, since 2×204868746² = 83942406175225032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204868747) 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 5 ways as a sum of consecutive naturals, for example, 5690781 + ... + 5690816.

Almost surely, 2^204868746 is an apocalyptic number.

204868746 is an abundant number, since it is smaller than the sum of its proper divisors (239013576).

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

204868746 is a wasteful number, since it uses less digits than its factorization.

204868746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11381605 (or 11381602 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 204868746 is about 14313.2367408633. The cubic root of 204868746 is about 589.5109861618.

The spelling of 204868746 in words is "two hundred four million, eight hundred sixty-eight thousand, seven hundred forty-six".