490740 has 24 divisors (see below), whose sum is σ = 1374240. Its totient is φ = 130848.

The previous prime is 490733. The next prime is 490741. The reversal of 490740 is 47094.

490740 is nontrivially palindromic in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 490740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490741) by changing a digit.

490740 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4030 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (57260).

2⁴⁹⁰⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

490740 is an abundant number, since it is smaller than the sum of its proper divisors (883500).

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

490740 is a wasteful number, since it uses less digits than its factorization.

490740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8191 (or 8189 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 490740 is about 700.5283720164. The cubic root of 490740 is about 78.8770184995.

The spelling of 490740 in words is "four hundred ninety thousand, seven hundred forty".