490891802 has 16 divisors (see below), whose sum is σ = 756960000. Its totient is φ = 238584528.

The previous prime is 490891801. The next prime is 490891831. The reversal of 490891802 is 208198094.

It is a super-2 number, since 2×490891802² = 481949522541614408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 490891802.

It is not an unprimeable number, because it can be changed into a prime (490891801) by changing a digit.

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, 95699 + ... + 100697.

It is an arithmetic number, because the mean of its divisors is an integer number (47310000).

Almost surely, 2^490891802 is an apocalyptic number.

490891802 is a deficient number, since it is larger than the sum of its proper divisors (266068198).

490891802 is a wasteful number, since it uses less digits than its factorization.

490891802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 490891802 is about 22156.0782179518. The cubic root of 490891802 is about 788.8515074516.

The spelling of 490891802 in words is "four hundred ninety million, eight hundred ninety-one thousand, eight hundred two".