2717256 has 32 divisors (see below), whose sum is σ = 6953760. Its totient is φ = 884352.

The previous prime is 2717251. The next prime is 2717287. The reversal of 2717256 is 6527172.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2717251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 2348.

It is an arithmetic number, because the mean of its divisors is an integer number (217305).

2^2717256 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 2717256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476880).

2717256 is an abundant number, since it is smaller than the sum of its proper divisors (4236504).

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

2717256 is a wasteful number, since it uses less digits than its factorization.

2717256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685 (or 2681 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 2717256 is about 1648.4101431379. The cubic root of 2717256 is about 139.5436843700.

The spelling of 2717256 in words is "two million, seven hundred seventeen thousand, two hundred fifty-six".