2490920 has 16 divisors (see below), whose sum is σ = 5604660. Its totient is φ = 996352.

The previous prime is 2490907. The next prime is 2490931. The reversal of 2490920 is 290942.

It can be written as a sum of positive squares in 2 ways, for example, as 2439844 + 51076 = 1562^2 + 226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2490920.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31097 + ... + 31176.

2^2490920 is an apocalyptic number.

2490920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490920 is an abundant number, since it is smaller than the sum of its proper divisors (3113740).

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

2490920 is a wasteful number, since it uses less digits than its factorization.

2490920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62284 (or 62280 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2490920 is about 1578.2648700392. The cubic root of 2490920 is about 135.5563687530.

The spelling of 2490920 in words is "two million, four hundred ninety thousand, nine hundred twenty".