490970756 has 24 divisors (see below), whose sum is σ = 864643584. Its totient is φ = 243936000.

The previous prime is 490970731. The next prime is 490970759. The reversal of 490970756 is 657079094.

It is a self number, because there is not a number n which added to its sum of digits gives 490970756.

It is not an unprimeable number, because it can be changed into a prime (490970759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653381 + ... + 654131.

It is an arithmetic number, because the mean of its divisors is an integer number (36026816).

Almost surely, 2^490970756 is an apocalyptic number.

It is an amenable number.

490970756 is a deficient number, since it is larger than the sum of its proper divisors (373672828).

490970756 is a wasteful number, since it uses less digits than its factorization.

490970756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 490970756 is about 22157.8599147120. The cubic root of 490970756 is about 788.8937975875.

The spelling of 490970756 in words is "four hundred ninety million, nine hundred seventy thousand, seven hundred fifty-six".