490764 has 12 divisors (see below), whose sum is σ = 1145144. Its totient is φ = 163584.

The previous prime is 490741. The next prime is 490769. The reversal of 490764 is 467094.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (490769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20437 + ... + 20460.

2⁴⁹⁰⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

490764 is an abundant number, since it is smaller than the sum of its proper divisors (654380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

490764 is a wasteful number, since it uses less digits than its factorization.

490764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40904 (or 40902 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 490764 is about 700.5455017342. The cubic root of 490764 is about 78.8783043247.

The spelling of 490764 in words is "four hundred ninety thousand, seven hundred sixty-four".