490718331 has 28 divisors (see below), whose sum is σ = 740004720. Its totient is φ = 325250640.

The previous prime is 490718329. The next prime is 490718359. The reversal of 490718331 is 133817094.

It is a happy number.

It is not a de Polignac number, because 490718331 - 2¹ = 490718329 is a prime.

It is a super-2 number, since 2×490718331² = 481608960758851122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (490718131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 130090 + ... + 133808.

It is an arithmetic number, because the mean of its divisors is an integer number (26428740).

Almost surely, 2^490718331 is an apocalyptic number.

490718331 is a deficient number, since it is larger than the sum of its proper divisors (249286389).

490718331 is an equidigital number, since it uses as much as digits as its factorization.

490718331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 490718331 is about 22152.1631223680. The cubic root of 490718331 is about 788.7585752402.

The spelling of 490718331 in words is "four hundred ninety million, seven hundred eighteen thousand, three hundred thirty-one".