490913966 has 16 divisors (see below), whose sum is σ = 754318656. Its totient is φ = 239506176.

The previous prime is 490913957. The next prime is 490913987. The reversal of 490913966 is 669319094.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 490913966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23930 + ... + 39426.

It is an arithmetic number, because the mean of its divisors is an integer number (47144916).

Almost surely, 2^490913966 is an apocalyptic number.

490913966 is a deficient number, since it is larger than the sum of its proper divisors (263404690).

490913966 is a wasteful number, since it uses less digits than its factorization.

490913966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15883.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 490913966 is about 22156.5783910783. The cubic root of 490913966 is about 788.8633796141.

The spelling of 490913966 in words is "four hundred ninety million, nine hundred thirteen thousand, nine hundred sixty-six".