2455728 has 40 divisors (see below), whose sum is σ = 6922176. Its totient is φ = 744000.

The previous prime is 2455723. The next prime is 2455729. The reversal of 2455728 is 8275542.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2455723) 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, 1798 + ... + 2853.

2^2455728 is an apocalyptic number.

It is an amenable number.

2455728 is an abundant number, since it is smaller than the sum of its proper divisors (4466448).

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

2455728 is a wasteful number, since it uses less digits than its factorization.

2455728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 4667 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 2455728 is about 1567.0762585146. The cubic root of 2455728 is about 134.9149532926.

The spelling of 2455728 in words is "two million, four hundred fifty-five thousand, seven hundred twenty-eight".