2688888 has 32 divisors (see below), whose sum is σ = 6768000. Its totient is φ = 890208.

The previous prime is 2688887. The next prime is 2688913. The reversal of 2688888 is 8888862.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688883) 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, 4495 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (211500).

2^2688888 is an apocalyptic number.

It is an amenable number.

2688888 is an abundant number, since it is smaller than the sum of its proper divisors (4079112).

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

2688888 is a wasteful number, since it uses less digits than its factorization.

2688888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 767 counting only the distinct ones).

The product of its digits is 393216, while the sum is 48.

The square root of 2688888 is about 1639.7829124613. The cubic root of 2688888 is about 139.0563751795.

The spelling of 2688888 in words is "two million, six hundred eighty-eight thousand, eight hundred eighty-eight".