490492905 has 64 divisors (see below), whose sum is σ = 926650368. Its totient is φ = 216864000.

The previous prime is 490492897. The next prime is 490492939. The reversal of 490492905 is 509294094.

It is not a de Polignac number, because 490492905 - 2³ = 490492897 is a prime.

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 in 63 ways as a sum of consecutive naturals, for example, 974884 + ... + 975386.

It is an arithmetic number, because the mean of its divisors is an integer number (14478912).

Almost surely, 2^490492905 is an apocalyptic number.

It is an amenable number.

490492905 is a deficient number, since it is larger than the sum of its proper divisors (436157463).

490492905 is a wasteful number, since it uses less digits than its factorization.

490492905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 490492905 is about 22147.0744117592. The cubic root of 490492905 is about 788.6377768696.

The spelling of 490492905 in words is "four hundred ninety million, four hundred ninety-two thousand, nine hundred five".