490635902 has 4 divisors (see below), whose sum is σ = 735953856. Its totient is φ = 245317950.

The previous prime is 490635883. The next prime is 490635913. The reversal of 490635902 is 209536094.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 122658974 + ... + 122658977.

It is an arithmetic number, because the mean of its divisors is an integer number (183988464).

Almost surely, 2^490635902 is an apocalyptic number.

490635902 is a deficient number, since it is larger than the sum of its proper divisors (245317954).

490635902 is a wasteful number, since it uses less digits than its factorization.

490635902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245317953.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 490635902 is about 22150.3025261507. The cubic root of 490635902 is about 788.7144085447.

The spelling of 490635902 in words is "four hundred ninety million, six hundred thirty-five thousand, nine hundred two".