490530 has 32 divisors (see below), whose sum is σ = 1197504. Its totient is φ = 128576.

The previous prime is 490519. The next prime is 490537. The reversal of 490530 is 35094.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 490497 and 490506.

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 15 ways as a sum of consecutive naturals, for example, 2392 + ... + 2588.

It is an arithmetic number, because the mean of its divisors is an integer number (37422).

2⁴⁹⁰⁵³⁰ is an apocalyptic number.

490530 is an abundant number, since it is smaller than the sum of its proper divisors (706974).

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

490530 is a wasteful number, since it uses less digits than its factorization.

490530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 490530 is about 700.3784691151. The cubic root of 490530 is about 78.8657657402.

The spelling of 490530 in words is "four hundred ninety thousand, five hundred thirty".