490442 has 8 divisors (see below), whose sum is σ = 753732. Its totient is φ = 239200.

The previous prime is 490421. The next prime is 490453. The reversal of 490442 is 244094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 337561 + 152881 = 581^2 + 391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2909 + ... + 3072.

2⁴⁹⁰⁴⁴² is an apocalyptic number.

490442 is a deficient number, since it is larger than the sum of its proper divisors (263290).

490442 is a wasteful number, since it uses less digits than its factorization.

490442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 490442 is about 700.3156431210. The cubic root of 490442 is about 78.8610493434.

The spelling of 490442 in words is "four hundred ninety thousand, four hundred forty-two".