204491002 has 8 divisors (see below), whose sum is σ = 307487700. Its totient is φ = 101995104.

The previous prime is 204490987. The next prime is 204491009. The reversal of 204491002 is 200194402.

It can be written as a sum of positive squares in 2 ways, for example, as 201895681 + 2595321 = 14209^2 + 1611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×204491002³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (204491009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124177 + ... + 125812.

Almost surely, 2^204491002 is an apocalyptic number.

204491002 is a deficient number, since it is larger than the sum of its proper divisors (102996698).

204491002 is a wasteful number, since it uses less digits than its factorization.

204491002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250400.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 204491002 is about 14300.0350349221. The cubic root of 204491002 is about 589.1484430752.

The spelling of 204491002 in words is "two hundred four million, four hundred ninety-one thousand, two".