2801256 has 16 divisors (see below), whose sum is σ = 7003200. Its totient is φ = 933744.

The previous prime is 2801251. The next prime is 2801257. The reversal of 2801256 is 6521082.

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: 116719 = 2801256 / (2 + 8 + 0 + 1 + 2 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (2801251) 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, 58336 + ... + 58383.

It is an arithmetic number, because the mean of its divisors is an integer number (437700).

2^2801256 is an apocalyptic number.

It is an amenable number.

2801256 is an abundant number, since it is smaller than the sum of its proper divisors (4201944).

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

2801256 is a wasteful number, since it uses less digits than its factorization.

2801256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116728 (or 116724 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2801256 is about 1673.6953127735. The cubic root of 2801256 is about 140.9670462700.

The spelling of 2801256 in words is "two million, eight hundred one thousand, two hundred fifty-six".