6988441 has 4 divisors (see below), whose sum is σ = 7004800. Its totient is φ = 6972084.

The previous prime is 6988439. The next prime is 6988451. The reversal of 6988441 is 1448896.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6988441 - 2¹ = 6988439 is a prime.

It is a super-2 number, since 2×6988441² = 97676615220962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6988394 and 6988403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7521 + ... + 8398.

It is an arithmetic number, because the mean of its divisors is an integer number (1751200).

Almost surely, 2^6988441 is an apocalyptic number.

It is an amenable number.

6988441 is a deficient number, since it is larger than the sum of its proper divisors (16359).

6988441 is a wasteful number, since it uses less digits than its factorization.

6988441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16358.

The product of its digits is 55296, while the sum is 40.

The square root of 6988441 is about 2643.5659628615. The cubic root of 6988441 is about 191.1877670698.

The spelling of 6988441 in words is "six million, nine hundred eighty-eight thousand, four hundred forty-one".