204958964 has 30 divisors (see below), whose sum is σ = 418452594. Its totient is φ = 87835440.

The previous prime is 204958939. The next prime is 204958969. The reversal of 204958964 is 469859402.

It can be written as a sum of positive squares in only one way, i.e., 204718864 + 240100 = 14308^2 + 490^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204958969) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1067 + ... + 20274.

Almost surely, 2^204958964 is an apocalyptic number.

It is an amenable number.

204958964 is an abundant number, since it is smaller than the sum of its proper divisors (213493630).

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

204958964 is an equidigital number, since it uses as much as digits as its factorization.

204958964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21373 (or 21350 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 204958964 is about 14316.3879522734. The cubic root of 204958964 is about 589.5975077326.

The spelling of 204958964 in words is "two hundred four million, nine hundred fifty-eight thousand, nine hundred sixty-four".