2912256 has 78 divisors (see below), whose sum is σ = 8518640. Its totient is φ = 958464.

The previous prime is 2912243. The next prime is 2912257. The reversal of 2912256 is 6522192.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36825 + ... + 36903.

2^2912256 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 2912256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4259320).

2912256 is an abundant number, since it is smaller than the sum of its proper divisors (5606384).

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

2912256 is an equidigital number, since it uses as much as digits as its factorization.

2912256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 84 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2912256 is about 1706.5333281246. The cubic root of 2912256 is about 142.8049241529.

The spelling of 2912256 in words is "two million, nine hundred twelve thousand, two hundred fifty-six".