490830 has 16 divisors (see below), whose sum is σ = 1178064. Its totient is φ = 130880.

The previous prime is 490829. The next prime is 490837. The reversal of 490830 is 38094.

It is a self number, because there is not a number n which added to its sum of digits gives 490830.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490830.

It is not an unprimeable number, because it can be changed into a prime (490837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8151 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (73629).

2⁴⁹⁰⁸³⁰ is an apocalyptic number.

490830 is an abundant number, since it is smaller than the sum of its proper divisors (687234).

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

490830 is a wasteful number, since it uses less digits than its factorization.

490830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16371.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 490830 is about 700.5926062984. The cubic root of 490830 is about 78.8818401278.

The spelling of 490830 in words is "four hundred ninety thousand, eight hundred thirty".