490570 has 8 divisors (see below), whose sum is σ = 883044. Its totient is φ = 196224.

The previous prime is 490559. The next prime is 490571. The reversal of 490570 is 75094.

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 4761 = 697^2 + 69^2 .

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

It is not an unprimeable number, because it can be changed into a prime (490571) by changing a digit.

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, 24519 + ... + 24538.

2⁴⁹⁰⁵⁷⁰ is an apocalyptic number.

490570 is a deficient number, since it is larger than the sum of its proper divisors (392474).

490570 is a wasteful number, since it uses less digits than its factorization.

490570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49064.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 490570 is about 700.4070245222. The cubic root of 490570 is about 78.8679093705.

Subtracting from 490570 its sum of digits (25), we obtain a triangular number (490545 = T₉₉₀).

The spelling of 490570 in words is "four hundred ninety thousand, five hundred seventy".