2578288 has 20 divisors (see below), whose sum is σ = 5289840. Its totient is φ = 1213184.

The previous prime is 2578273. The next prime is 2578297. The reversal of 2578288 is 8828752.

It is a self number, because there is not a number n which added to its sum of digits gives 2578288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4468 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (264492).

2^2578288 is an apocalyptic number.

It is an amenable number.

2578288 is an abundant number, since it is smaller than the sum of its proper divisors (2711552).

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

2578288 is a wasteful number, since it uses less digits than its factorization.

2578288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9504 (or 9498 counting only the distinct ones).

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

The square root of 2578288 is about 1605.7048296620. The cubic root of 2578288 is about 137.1230535227.

The spelling of 2578288 in words is "two million, five hundred seventy-eight thousand, two hundred eighty-eight".