6888642 has 16 divisors (see below), whose sum is σ = 13952640. Its totient is φ = 2266992.

The previous prime is 6888641. The next prime is 6888647. The reversal of 6888642 is 2468886.

It is a junction number, because it is equal to n+sod(n) for n = 6888594 and 6888603.

It is not an unprimeable number, because it can be changed into a prime (6888641) 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, 6793 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (872040).

Almost surely, 2^6888642 is an apocalyptic number.

6888642 is an abundant number, since it is smaller than the sum of its proper divisors (7063998).

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

6888642 is a wasteful number, since it uses less digits than its factorization.

6888642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14617.

The product of its digits is 147456, while the sum is 42.

The square root of 6888642 is about 2624.6222585355. The cubic root of 6888642 is about 190.2733093419.

The spelling of 6888642 in words is "six million, eight hundred eighty-eight thousand, six hundred forty-two".