2290456 has 24 divisors (see below), whose sum is σ = 4996620. Its totient is φ = 981456.

The previous prime is 2290441. The next prime is 2290459. The reversal of 2290456 is 6540922.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2530 + ... + 3313.

2^2290456 is an apocalyptic number.

It is an amenable number.

2290456 is an abundant number, since it is smaller than the sum of its proper divisors (2706164).

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

2290456 is a wasteful number, since it uses less digits than its factorization.

2290456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5863 (or 5852 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2290456 is about 1513.4252541834. The cubic root of 2290456 is about 131.8177773345.

The spelling of 2290456 in words is "two million, two hundred ninety thousand, four hundred fifty-six".