6697984 has 44 divisors (see below), whose sum is σ = 13886848. Its totient is φ = 3225600.

The previous prime is 6697979. The next prime is 6698009. The reversal of 6697984 is 4897966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31639 + ... + 31849.

Almost surely, 2^6697984 is an apocalyptic number.

6697984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6697984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6943424).

6697984 is an abundant number, since it is smaller than the sum of its proper divisors (7188864).

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

6697984 is a wasteful number, since it uses less digits than its factorization.

6697984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 244 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 6697984 is about 2588.0463674363. The cubic root of 6697984 is about 188.5014528943.

The spelling of 6697984 in words is "six million, six hundred ninety-seven thousand, nine hundred eighty-four".