2556024 has 16 divisors (see below), whose sum is σ = 6390120. Its totient is φ = 852000.

The previous prime is 2556023. The next prime is 2556041. The reversal of 2556024 is 4206552.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 106501 = 2556024 / (2 + 5 + 5 + 6 + 0 + 2 + 4).

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2555985 and 2556003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556023) 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, 53227 + ... + 53274.

2^2556024 is an apocalyptic number.

2556024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2556024 is an abundant number, since it is smaller than the sum of its proper divisors (3834096).

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

2556024 is a wasteful number, since it uses less digits than its factorization.

2556024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106510 (or 106506 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2556024 is about 1598.7570171855. The cubic root of 2556024 is about 136.7272175338.

The spelling of 2556024 in words is "two million, five hundred fifty-six thousand, twenty-four".