490531895 has 24 divisors (see below), whose sum is σ = 694147824. Its totient is φ = 331744896.

The previous prime is 490531891. The next prime is 490531931. The reversal of 490531895 is 598135094.

It is a happy number.

It is not a de Polignac number, because 490531895 - 2² = 490531891 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490531891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4172 + ... + 31598.

It is an arithmetic number, because the mean of its divisors is an integer number (28922826).

Almost surely, 2^490531895 is an apocalyptic number.

490531895 is a deficient number, since it is larger than the sum of its proper divisors (203615929).

490531895 is a wasteful number, since it uses less digits than its factorization.

490531895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27519 (or 27512 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 490531895 is about 22147.9546459713. The cubic root of 490531895 is about 788.6586729735.

The spelling of 490531895 in words is "four hundred ninety million, five hundred thirty-one thousand, eight hundred ninety-five".