490864 has 20 divisors (see below), whose sum is σ = 1037880. Its totient is φ = 223040.

The previous prime is 490859. The next prime is 490877. The reversal of 490864 is 468094.

490864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219 + ... + 1570.

It is an arithmetic number, because the mean of its divisors is an integer number (51894).

2⁴⁹⁰⁸⁶⁴ is an apocalyptic number.

490864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

490864 is an abundant number, since it is smaller than the sum of its proper divisors (547016).

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

490864 is a wasteful number, since it uses less digits than its factorization.

490864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 490864 is about 700.6168710501. The cubic root of 490864 is about 78.8836614785.

The spelling of 490864 in words is "four hundred ninety thousand, eight hundred sixty-four".