490887808 has 16 divisors (see below), whose sum is σ = 977940810. Its totient is φ = 245443840.

The previous prime is 490887799. The next prime is 490887811. The reversal of 490887808 is 808788094.

It can be written as a sum of positive squares in only one way, i.e., 365268544 + 125619264 = 19112^2 + 11208^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917403 + ... + 1917658.

Almost surely, 2^490887808 is an apocalyptic number.

It is an amenable number.

490887808 is a deficient number, since it is larger than the sum of its proper divisors (487053002).

490887808 is an equidigital number, since it uses as much as digits as its factorization.

490887808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835075 (or 3835063 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The square root of 490887808 is about 22155.9880844886. The cubic root of 490887808 is about 788.8493680246.

The spelling of 490887808 in words is "four hundred ninety million, eight hundred eighty-seven thousand, eight hundred eight".