2312728 has 32 divisors (see below), whose sum is σ = 4853520. Its totient is φ = 1024000.

The previous prime is 2312711. The next prime is 2312747. The reversal of 2312728 is 8272132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3288 + ... + 3928.

2^2312728 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 2312728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426760).

2312728 is an abundant number, since it is smaller than the sum of its proper divisors (2540792).

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

2312728 is a wasteful number, since it uses less digits than its factorization.

2312728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 695 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 2312728 is about 1520.7655966650. The cubic root of 2312728 is about 132.2436577016.

The spelling of 2312728 in words is "two million, three hundred twelve thousand, seven hundred twenty-eight".