6988671 has 24 divisors (see below), whose sum is σ = 10717824. Its totient is φ = 4380480.

The previous prime is 6988669. The next prime is 6988691. The reversal of 6988671 is 1768896.

It is a happy number.

It is not a de Polignac number, because 6988671 - 2¹ = 6988669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9985 + ... + 10661.

It is an arithmetic number, because the mean of its divisors is an integer number (446576).

Almost surely, 2^6988671 is an apocalyptic number.

6988671 is a deficient number, since it is larger than the sum of its proper divisors (3729153).

6988671 is a wasteful number, since it uses less digits than its factorization.

6988671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 748 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 6988671 is about 2643.6094643498. The cubic root of 6988671 is about 191.1898644715.

The spelling of 6988671 in words is "six million, nine hundred eighty-eight thousand, six hundred seventy-one".