6889870 has 16 divisors (see below), whose sum is σ = 13356000. Its totient is φ = 2543904.

The previous prime is 6889859. The next prime is 6889873. The reversal of 6889870 is 789886.

It is a self number, because there is not a number n which added to its sum of digits gives 6889870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889873) 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, 26370 + ... + 26629.

It is an arithmetic number, because the mean of its divisors is an integer number (834750).

Almost surely, 2^6889870 is an apocalyptic number.

6889870 is a deficient number, since it is larger than the sum of its proper divisors (6466130).

6889870 is a wasteful number, since it uses less digits than its factorization.

6889870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53019.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 6889870 is about 2624.8561865367. The cubic root of 6889870 is about 190.2846149926.

The spelling of 6889870 in words is "six million, eight hundred eighty-nine thousand, eight hundred seventy".