2256416 has 24 divisors (see below), whose sum is σ = 4490640. Its totient is φ = 1115968.

The previous prime is 2256413. The next prime is 2256431. The reversal of 2256416 is 6146522.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2256413) 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, 3095 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

2^2256416 is an apocalyptic number.

It is an amenable number.

2256416 is a deficient number, since it is larger than the sum of its proper divisors (2234224).

2256416 is a wasteful number, since it uses less digits than its factorization.

2256416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 768 counting only the distinct ones).

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

The square root of 2256416 is about 1502.1371442049. The cubic root of 2256416 is about 131.1615046689.

The spelling of 2256416 in words is "two million, two hundred fifty-six thousand, four hundred sixteen".