6989841 has 32 divisors (see below), whose sum is σ = 10944000. Its totient is φ = 4402944.

The previous prime is 6989833. The next prime is 6989869. The reversal of 6989841 is 1489896.

It is not a de Polignac number, because 6989841 - 2³ = 6989833 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6989821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61801 + ... + 61913.

It is an arithmetic number, because the mean of its divisors is an integer number (342000).

Almost surely, 2^6989841 is an apocalyptic number.

It is an amenable number.

6989841 is a deficient number, since it is larger than the sum of its proper divisors (3954159).

6989841 is a wasteful number, since it uses less digits than its factorization.

6989841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 224 counting only the distinct ones).

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

The square root of 6989841 is about 2643.8307434478. The cubic root of 6989841 is about 191.2005331504.

Subtracting from 6989841 its reverse (1489896), we obtain a palindrome (5499945).

The spelling of 6989841 in words is "six million, nine hundred eighty-nine thousand, eight hundred forty-one".