2320728 has 16 divisors (see below), whose sum is σ = 5801880. Its totient is φ = 773568.

The previous prime is 2320709. The next prime is 2320729. The reversal of 2320728 is 8270232.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 96697 = 2320728 / (2 + 3 + 2 + 0 + 7 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2320698 and 2320707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48325 + ... + 48372.

2^2320728 is an apocalyptic number.

It is an amenable number.

2320728 is an abundant number, since it is smaller than the sum of its proper divisors (3481152).

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

2320728 is a wasteful number, since it uses less digits than its factorization.

2320728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96706 (or 96702 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2320728 is about 1523.3935801361. The cubic root of 2320728 is about 132.3959643777.

The spelling of 2320728 in words is "two million, three hundred twenty thousand, seven hundred twenty-eight".