2308256 has 24 divisors (see below), whose sum is σ = 4633524. Its totient is φ = 1131520.

The previous prime is 2308247. The next prime is 2308261. The reversal of 2308256 is 6528032.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 10000 = 1516^2 + 100^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016 + ... + 2376.

2^2308256 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 2308256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2316762).

2308256 is an abundant number, since it is smaller than the sum of its proper divisors (2325268).

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

2308256 is a wasteful number, since it uses less digits than its factorization.

2308256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2308256 is about 1519.2945731490. The cubic root of 2308256 is about 132.1583651770.

The spelling of 2308256 in words is "two million, three hundred eight thousand, two hundred fifty-six".