490967631 has 48 divisors (see below), whose sum is σ = 888346368. Its totient is φ = 253843200.

The previous prime is 490967623. The next prime is 490967639. The reversal of 490967631 is 136769094.

490967631 is a `hidden beast` number, since 4 + 9 + 0 + 9 + 6 + 7 + 631 = 666.

It is an interprime number because it is at equal distance from previous prime (490967623) and next prime (490967639).

It is not a de Polignac number, because 490967631 - 2³ = 490967623 is a prime.

It is a super-2 number, since 2×490967631² = 482098429379504322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490967639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155751 + ... + 158871.

It is an arithmetic number, because the mean of its divisors is an integer number (18507216).

Almost surely, 2^490967631 is an apocalyptic number.

490967631 is a deficient number, since it is larger than the sum of its proper divisors (397378737).

490967631 is a wasteful number, since it uses less digits than its factorization.

490967631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372 (or 3369 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 490967631 is about 22157.7893978619. The cubic root of 490967631 is about 788.8921238297.

The spelling of 490967631 in words is "four hundred ninety million, nine hundred sixty-seven thousand, six hundred thirty-one".