490108257 has 24 divisors (see below), whose sum is σ = 721768320. Its totient is φ = 320416800.

The previous prime is 490108231. The next prime is 490108259. The reversal of 490108257 is 752801094.

It is not a de Polignac number, because 490108257 - 2¹² = 490104161 is a prime.

It is a super-2 number, since 2×490108257² = 480412207159156098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490108259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94744 + ... + 99782.

It is an arithmetic number, because the mean of its divisors is an integer number (30073680).

Almost surely, 2^490108257 is an apocalyptic number.

It is an amenable number.

490108257 is a deficient number, since it is larger than the sum of its proper divisors (231660063).

490108257 is a wasteful number, since it uses less digits than its factorization.

490108257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253 (or 5250 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 490108257 is about 22138.3887625093. The cubic root of 490108257 is about 788.4315711862.

The spelling of 490108257 in words is "four hundred ninety million, one hundred eight thousand, two hundred fifty-seven".