2750256 has 60 divisors (see below), whose sum is σ = 7834320. Its totient is φ = 900480.

The previous prime is 2750249. The next prime is 2750261. The reversal of 2750256 is 6520572.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10090 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (130572).

2^2750256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3917160).

2750256 is an abundant number, since it is smaller than the sum of its proper divisors (5084064).

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

2750256 is a wasteful number, since it uses less digits than its factorization.

2750256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 2750256 is about 1658.3895802856. The cubic root of 2750256 is about 140.1063138044.

The spelling of 2750256 in words is "two million, seven hundred fifty thousand, two hundred fifty-six".