490979536 has 40 divisors (see below), whose sum is σ = 968007240. Its totient is φ = 241207296.

The previous prime is 490979509. The next prime is 490979537. The reversal of 490979536 is 635979094.

It can be written as a sum of positive squares in 4 ways, for example, as 150798400 + 340181136 = 12280^2 + 18444^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490979537) 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, 245356 + ... + 247348.

It is an arithmetic number, because the mean of its divisors is an integer number (24200181).

Almost surely, 2^490979536 is an apocalyptic number.

It is an amenable number.

490979536 is a deficient number, since it is larger than the sum of its proper divisors (477027704).

490979536 is a wasteful number, since it uses less digits than its factorization.

490979536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 490979536 is about 22158.0580376530. The cubic root of 490979536 is about 788.8985001393.

The spelling of 490979536 in words is "four hundred ninety million, nine hundred seventy-nine thousand, five hundred thirty-six".