490870 has 16 divisors (see below), whose sum is σ = 891648. Its totient is φ = 194560.

The previous prime is 490859. The next prime is 490877. The reversal of 490870 is 78094.

490870 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (55728).

2⁴⁹⁰⁸⁷⁰ is an apocalyptic number.

490870 is a deficient number, since it is larger than the sum of its proper divisors (400778).

490870 is a wasteful number, since it uses less digits than its factorization.

490870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 490870 is about 700.6211529778. The cubic root of 490870 is about 78.8839828846.

The spelling of 490870 in words is "four hundred ninety thousand, eight hundred seventy".