6941988 has 18 divisors (see below), whose sum is σ = 17547894. Its totient is φ = 2313984.

The previous prime is 6941981. The next prime is 6942031. The reversal of 6941988 is 8891496.

It can be written as a sum of positive squares in only one way, i.e., 3526884 + 3415104 = 1878^2 + 1848^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (6941981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96381 + ... + 96452.

It is an arithmetic number, because the mean of its divisors is an integer number (974883).

Almost surely, 2^6941988 is an apocalyptic number.

It is an amenable number.

6941988 is an abundant number, since it is smaller than the sum of its proper divisors (10605906).

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

6941988 is a wasteful number, since it uses less digits than its factorization.

6941988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192843 (or 192838 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 6941988 is about 2634.7652646868. The cubic root of 6941988 is about 190.7632090237.

The spelling of 6941988 in words is "six million, nine hundred forty-one thousand, nine hundred eighty-eight".