2490456 has 16 divisors (see below), whose sum is σ = 6226200. Its totient is φ = 830144.

The previous prime is 2490451. The next prime is 2490461. The reversal of 2490456 is 6540942.

It is an interprime number because it is at equal distance from previous prime (2490451) and next prime (2490461).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51861 + ... + 51908.

2^2490456 is an apocalyptic number.

It is an amenable number.

2490456 is an abundant number, since it is smaller than the sum of its proper divisors (3735744).

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

2490456 is a wasteful number, since it uses less digits than its factorization.

2490456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103778 (or 103774 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2490456 is about 1578.1178663205. The cubic root of 2490456 is about 135.5479512391.

The spelling of 2490456 in words is "two million, four hundred ninety thousand, four hundred fifty-six".