2457056 has 36 divisors (see below), whose sum is σ = 5630688. Its totient is φ = 1052352.

The previous prime is 2457047. The next prime is 2457073. The reversal of 2457056 is 6507542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (156408).

2^2457056 is an apocalyptic number.

It is a pronic number, being equal to 1567×1568.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2457056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2815344).

2457056 is an abundant number, since it is smaller than the sum of its proper divisors (3173632).

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

2457056 is a wasteful number, since it uses less digits than its factorization.

2457056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2457056 is about 1567.4999202552. The cubic root of 2457056 is about 134.9392685223.

The spelling of 2457056 in words is "two million, four hundred fifty-seven thousand, fifty-six".