2588728 has 8 divisors (see below), whose sum is σ = 4853880. Its totient is φ = 1294360.

The previous prime is 2588723. The next prime is 2588753. The reversal of 2588728 is 8278852.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2588723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161788 + ... + 161803.

It is an arithmetic number, because the mean of its divisors is an integer number (606735).

2^2588728 is an apocalyptic number.

It is an amenable number.

2588728 is a deficient number, since it is larger than the sum of its proper divisors (2265152).

2588728 is a wasteful number, since it uses less digits than its factorization.

2588728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323597 (or 323593 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 2588728 is about 1608.9524542385. The cubic root of 2588728 is about 137.3078837646.

The spelling of 2588728 in words is "two million, five hundred eighty-eight thousand, seven hundred twenty-eight".