6859888 has 40 divisors (see below), whose sum is σ = 15856128. Its totient is φ = 2811072.

The previous prime is 6859873. The next prime is 6859901. The reversal of 6859888 is 8889586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245 + ... + 3907.

Almost surely, 2^6859888 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 6859888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7928064).

6859888 is an abundant number, since it is smaller than the sum of its proper divisors (8996240).

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

6859888 is a wasteful number, since it uses less digits than its factorization.

6859888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701 (or 2695 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The square root of 6859888 is about 2619.1387897551. The cubic root of 6859888 is about 190.0081990922.

It can be divided in two parts, 68598 and 88, that added together give a palindrome (68686).

The spelling of 6859888 in words is "six million, eight hundred fifty-nine thousand, eight hundred eighty-eight".