2723256 has 48 divisors (see below), whose sum is σ = 7464600. Its totient is φ = 896832.

The previous prime is 2723249. The next prime is 2723293. The reversal of 2723256 is 6523272.

2723256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2723256² = 14832246483072, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7675 + ... + 8021.

2^2723256 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 2723256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732300).

2723256 is an abundant number, since it is smaller than the sum of its proper divisors (4741344).

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

2723256 is a wasteful number, since it uses less digits than its factorization.

2723256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 461 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 2723256 is about 1650.2290750075. The cubic root of 2723256 is about 139.6463181306.

The spelling of 2723256 in words is "two million, seven hundred twenty-three thousand, two hundred fifty-six".