2327728 has 60 divisors (see below), whose sum is σ = 5291328. Its totient is φ = 984960.

The previous prime is 2327723. The next prime is 2327729. The reversal of 2327728 is 8277232.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 2327728.

It is not an unprimeable number, because it can be changed into a prime (2327723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75073 + ... + 75103.

2^2327728 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 2327728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2645664).

2327728 is an abundant number, since it is smaller than the sum of its proper divisors (2963600).

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

2327728 is a wasteful number, since it uses less digits than its factorization.

2327728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 65 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 2327728 is about 1525.6893523912. The cubic root of 2327728 is about 132.5289458536.

The spelling of 2327728 in words is "two million, three hundred twenty-seven thousand, seven hundred twenty-eight".