204630486 has 16 divisors (see below), whose sum is σ = 409489344. Its totient is φ = 68172104.

The previous prime is 204630469. The next prime is 204630499. The reversal of 204630486 is 684036402.

204630486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×204630486³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505 + ... + 20531.

It is an arithmetic number, because the mean of its divisors is an integer number (25593084).

Almost surely, 2^204630486 is an apocalyptic number.

204630486 is an abundant number, since it is smaller than the sum of its proper divisors (204858858).

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

204630486 is a wasteful number, since it uses less digits than its factorization.

204630486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19035.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 204630486 is about 14304.9112545307. The cubic root of 204630486 is about 589.2823660080.

Adding to 204630486 its reverse (684036402), we get a palindrome (888666888).

The spelling of 204630486 in words is "two hundred four million, six hundred thirty thousand, four hundred eighty-six".