490536 has 40 divisors (see below), whose sum is σ = 1375770. Its totient is φ = 163296.

The previous prime is 490519. The next prime is 490537. The reversal of 490536 is 635094.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 396900 + 93636 = 630^2 + 306^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (490537) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 270 + ... + 1026.

2⁴⁹⁰⁵³⁶ 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 490536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687885).

490536 is an abundant number, since it is smaller than the sum of its proper divisors (885234).

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

490536 is a wasteful number, since it uses less digits than its factorization.

490536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 490536 is about 700.3827525004. The cubic root of 490536 is about 78.8660872922.

The spelling of 490536 in words is "four hundred ninety thousand, five hundred thirty-six".