490780 has 24 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 192192.

The previous prime is 490771. The next prime is 490783. The reversal of 490780 is 87094.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490783) 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, 829 + ... + 1291.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2⁴⁹⁰⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

490780 is an abundant number, since it is smaller than the sum of its proper divisors (561572).

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

490780 is a wasteful number, since it uses less digits than its factorization.

490780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

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

The square root of 490780 is about 700.5569213133. The cubic root of 490780 is about 78.8791615182.

The spelling of 490780 in words is "four hundred ninety thousand, seven hundred eighty".