490870065 has 32 divisors (see below), whose sum is σ = 898744320. Its totient is φ = 224109504.

The previous prime is 490870063. The next prime is 490870067. The reversal of 490870065 is 560078094.

It is an interprime number because it is at equal distance from previous prime (490870063) and next prime (490870067).

It is not a de Polignac number, because 490870065 - 2¹ = 490870063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490870063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93952 + ... + 99038.

It is an arithmetic number, because the mean of its divisors is an integer number (28085760).

Almost surely, 2^490870065 is an apocalyptic number.

It is an amenable number.

490870065 is a deficient number, since it is larger than the sum of its proper divisors (407874255).

490870065 is a wasteful number, since it uses less digits than its factorization.

490870065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 490870065 is about 22155.5876699310. The cubic root of 490870065 is about 788.8398636649.

The spelling of 490870065 in words is "four hundred ninety million, eight hundred seventy thousand, sixty-five".