2256328 has 16 divisors (see below), whose sum is σ = 4279500. Its totient is φ = 1115136.

The previous prime is 2256313. The next prime is 2256341. The reversal of 2256328 is 8236522.

It can be written as a sum of positive squares in 2 ways, for example, as 2256004 + 324 = 1502^2 + 18^2 .

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 5 + 6³ + 3⁹ + 2²¹ + 8 .

It is a junction number, because it is equal to n+sod(n) for n = 2256296 and 2256305.

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, 873 + ... + 2296.

2^2256328 is an apocalyptic number.

It is an amenable number.

2256328 is a deficient number, since it is larger than the sum of its proper divisors (2023172).

2256328 is a wasteful number, since it uses less digits than its factorization.

2256328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3260 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 2256328 is about 1502.1078523195. The cubic root of 2256328 is about 131.1597995515.

It can be divided in two parts, 2 and 256328, that multiplied together give a square (512656 = 716²).

The spelling of 2256328 in words is "two million, two hundred fifty-six thousand, three hundred twenty-eight".