490568 has 32 divisors (see below), whose sum is σ = 1020600. Its totient is φ = 219648.

The previous prime is 490559. The next prime is 490571. The reversal of 490568 is 865094.

It can be written as a sum of positive squares in 4 ways, for example, as 315844 + 174724 = 562^2 + 418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468 + ... + 5556.

2⁴⁹⁰⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510300).

490568 is an abundant number, since it is smaller than the sum of its proper divisors (530032).

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

490568 is a wasteful number, since it uses less digits than its factorization.

490568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 490568 is about 700.4055967795. The cubic root of 490568 is about 78.8678021918.

The spelling of 490568 in words is "four hundred ninety thousand, five hundred sixty-eight".