490497957 has 32 divisors (see below), whose sum is σ = 778118400. Its totient is φ = 304280064.

The previous prime is 490497919. The next prime is 490497961. The reversal of 490497957 is 759794094.

It is not a de Polignac number, because 490497957 - 2⁷ = 490497829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490497907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34848 + ... + 46854.

It is an arithmetic number, because the mean of its divisors is an integer number (24316200).

Almost surely, 2^490497957 is an apocalyptic number.

It is an amenable number.

490497957 is a deficient number, since it is larger than the sum of its proper divisors (287620443).

490497957 is a wasteful number, since it uses less digits than its factorization.

490497957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12122 (or 12116 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 490497957 is about 22147.1884671621. The cubic root of 490497957 is about 788.6404844754.

The spelling of 490497957 in words is "four hundred ninety million, four hundred ninety-seven thousand, nine hundred fifty-seven".