6888888 has 40 divisors (see below), whose sum is σ = 19297080. Its totient is φ = 2296080.

The previous prime is 6888877. The next prime is 6888941. The reversal of 6888888 is 8888886.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

6888888 is a modest number, since divided by 8888 gives 688 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4668 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (482427).

Almost surely, 2^6888888 is an apocalyptic number.

It is an amenable number.

6888888 is an abundant number, since it is smaller than the sum of its proper divisors (12408192).

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

6888888 is a wasteful number, since it uses less digits than its factorization.

6888888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649 (or 10636 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 54.

The square root of 6888888 is about 2624.6691220038. The cubic root of 6888888 is about 190.2755742623.

It can be divided in two parts, 6888 and 888, that added together give a 5-th power (7776 = 6⁵).

The spelling of 6888888 in words is "six million, eight hundred eighty-eight thousand, eight hundred eighty-eight".