490320669 has 24 divisors (see below), whose sum is σ = 697870080. Its totient is φ = 306136512.

The previous prime is 490320667. The next prime is 490320697. The reversal of 490320669 is 966023094.

It is a happy number.

It is not a de Polignac number, because 490320669 - 2¹ = 490320667 is a prime.

It is a super-2 number, since 2×490320669² = 480828716897215122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490320667) 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 23 ways as a sum of consecutive naturals, for example, 93844 + ... + 98930.

It is an arithmetic number, because the mean of its divisors is an integer number (29077920).

Almost surely, 2^490320669 is an apocalyptic number.

It is an amenable number.

490320669 is a deficient number, since it is larger than the sum of its proper divisors (207549411).

490320669 is a wasteful number, since it uses less digits than its factorization.

490320669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217 (or 5198 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 490320669 is about 22143.1856109278. The cubic root of 490320669 is about 788.5454563236.

The spelling of 490320669 in words is "four hundred ninety million, three hundred twenty thousand, six hundred sixty-nine".