490923906 has 16 divisors (see below), whose sum is σ = 1071106848. Its totient is φ = 148764800.

The previous prime is 490923899. The next prime is 490923929. The reversal of 490923906 is 609329094.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3719055 + ... + 3719186.

It is an arithmetic number, because the mean of its divisors is an integer number (66944178).

Almost surely, 2^490923906 is an apocalyptic number.

490923906 is an abundant number, since it is smaller than the sum of its proper divisors (580182942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490923906 is a wasteful number, since it uses less digits than its factorization.

490923906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438257.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 490923906 is about 22156.8027025562. The cubic root of 490923906 is about 788.8687038661.

The spelling of 490923906 in words is "four hundred ninety million, nine hundred twenty-three thousand, nine hundred six".