490432 has 28 divisors (see below), whose sum is σ = 995680. Its totient is φ = 239616.

The previous prime is 490421. The next prime is 490453. The reversal of 490432 is 234094.

It is a congruent number.

It is an unprimeable number.

490432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008 + ... + 5104.

It is an arithmetic number, because the mean of its divisors is an integer number (35560).

2⁴⁹⁰⁴³² 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 490432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497840).

490432 is an abundant number, since it is smaller than the sum of its proper divisors (505248).

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

490432 is an equidigital number, since it uses as much as digits as its factorization.

490432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 490432 is about 700.3085034469. The cubic root of 490432 is about 78.8605133535.

The spelling of 490432 in words is "four hundred ninety thousand, four hundred thirty-two".