490497964 has 24 divisors (see below), whose sum is σ = 937375488. Its totient is φ = 222722640.

The previous prime is 490497961. The next prime is 490497971. The reversal of 490497964 is 469794094.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (490497961) 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 7 ways as a sum of consecutive naturals, for example, 41529 + ... + 52015.

It is an arithmetic number, because the mean of its divisors is an integer number (39057312).

Almost surely, 2^490497964 is an apocalyptic number.

490497964 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

490497964 is a deficient number, since it is larger than the sum of its proper divisors (446877524).

490497964 is a wasteful number, since it uses less digits than its factorization.

490497964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565 (or 11563 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 490497964 is about 22147.1886251957. The cubic root of 490497964 is about 788.6404882270.

The spelling of 490497964 in words is "four hundred ninety million, four hundred ninety-seven thousand, nine hundred sixty-four".