6981996 has 48 divisors (see below), whose sum is σ = 19061504. Its totient is φ = 1947456.

The previous prime is 6981983. The next prime is 6982009. The reversal of 6981996 is 6991896.

It is an interprime number because it is at equal distance from previous prime (6981983) and next prime (6982009).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2646 + ... + 4578.

Almost surely, 2^6981996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6981996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9530752).

6981996 is an abundant number, since it is smaller than the sum of its proper divisors (12079508).

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

6981996 is a wasteful number, since it uses less digits than its factorization.

6981996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1988 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The square root of 6981996 is about 2642.3466842941. The cubic root of 6981996 is about 191.1289755049.

The spelling of 6981996 in words is "six million, nine hundred eighty-one thousand, nine hundred ninety-six".