490664635 has 16 divisors (see below), whose sum is σ = 616771584. Its totient is φ = 374014432.

The previous prime is 490664611. The next prime is 490664641. The reversal of 490664635 is 536466094.

It is a cyclic number.

It is not a de Polignac number, because 490664635 - 2⁹ = 490664123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490664591 and 490664600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22134 + ... + 38356.

It is an arithmetic number, because the mean of its divisors is an integer number (38548224).

Almost surely, 2^490664635 is an apocalyptic number.

490664635 is a deficient number, since it is larger than the sum of its proper divisors (126106949).

490664635 is a wasteful number, since it uses less digits than its factorization.

490664635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16514.

The product of its (nonzero) digits is 466560, while the sum is 43.

The square root of 490664635 is about 22150.9511082482. The cubic root of 490664635 is about 788.7298046790.

The spelling of 490664635 in words is "four hundred ninety million, six hundred sixty-four thousand, six hundred thirty-five".