6988841 has 2 divisors, whose sum is σ = 6988842. Its totient is φ = 6988840.

The previous prime is 6988829. The next prime is 6988847. The reversal of 6988841 is 1488896.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 1948816 = 2245^2 + 1396^2 .

It is a cyclic number.

It is not a de Polignac number, because 6988841 - 2⁶ = 6988777 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6988792 and 6988801.

It is not a weakly prime, because it can be changed into another prime (6988847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494420 + 3494421.

It is an arithmetic number, because the mean of its divisors is an integer number (3494421).

Almost surely, 2^6988841 is an apocalyptic number.

It is an amenable number.

6988841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6988841 is an equidigital number, since it uses as much as digits as its factorization.

6988841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 44.

The square root of 6988841 is about 2643.6416171637. The cubic root of 6988841 is about 191.1914146954.

Subtracting from 6988841 its reverse (1488896), we obtain a palindrome (5499945).

The spelling of 6988841 in words is "six million, nine hundred eighty-eight thousand, eight hundred forty-one".