2578888 has 32 divisors (see below), whose sum is σ = 5274360. Its totient is φ = 1175040.

The previous prime is 2578879. The next prime is 2578907. The reversal of 2578888 is 8888752.

2578888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1036324 + 1542564 = 1018^2 + 1242^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14158 + ... + 14338.

2^2578888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2578888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2637180).

2578888 is an abundant number, since it is smaller than the sum of its proper divisors (2695472).

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

2578888 is a wasteful number, since it uses less digits than its factorization.

2578888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 333 counting only the distinct ones).

The product of its digits is 286720, while the sum is 46.

The square root of 2578888 is about 1605.8916526341. The cubic root of 2578888 is about 137.1336894500.

It can be divided in two parts, 2 and 578888, that multiplied together give a square (1157776 = 1076²).

The spelling of 2578888 in words is "two million, five hundred seventy-eight thousand, eight hundred eighty-eight".