2554728 has 32 divisors (see below), whose sum is σ = 6968160. Its totient is φ = 774080.

The previous prime is 2554711. The next prime is 2554729. The reversal of 2554728 is 8274552.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2554729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4575 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (217755).

2^2554728 is an apocalyptic number.

It is an amenable number.

2554728 is an abundant number, since it is smaller than the sum of its proper divisors (4413432).

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

2554728 is a wasteful number, since it uses less digits than its factorization.

2554728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697 (or 9693 counting only the distinct ones).

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

The square root of 2554728 is about 1598.3516509204. The cubic root of 2554728 is about 136.7041050185.

The spelling of 2554728 in words is "two million, five hundred fifty-four thousand, seven hundred twenty-eight".