490757169 has 32 divisors (see below), whose sum is σ = 776160000. Its totient is φ = 269869824.

The previous prime is 490757161. The next prime is 490757203. The reversal of 490757169 is 961757094.

It is a happy number.

It is not a de Polignac number, because 490757169 - 2³ = 490757161 is a prime.

It is a super-2 number, since 2×490757169² = 481685197849789122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490757161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211387 + ... + 213695.

It is an arithmetic number, because the mean of its divisors is an integer number (24255000).

Almost surely, 2^490757169 is an apocalyptic number.

It is an amenable number.

490757169 is a deficient number, since it is larger than the sum of its proper divisors (285402831).

490757169 is a wasteful number, since it uses less digits than its factorization.

490757169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 490757169 is about 22153.0397237038. The cubic root of 490757169 is about 788.7793835094.

The spelling of 490757169 in words is "four hundred ninety million, seven hundred fifty-seven thousand, one hundred sixty-nine".