6698984 has 8 divisors (see below), whose sum is σ = 12560610. Its totient is φ = 3349488.

The previous prime is 6698981. The next prime is 6698987. The reversal of 6698984 is 4898966.

It is an interprime number because it is at equal distance from previous prime (6698981) and next prime (6698987).

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 52900 = 2578^2 + 230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6698981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418679 + ... + 418694.

Almost surely, 2^6698984 is an apocalyptic number.

It is an amenable number.

6698984 is a deficient number, since it is larger than the sum of its proper divisors (5861626).

6698984 is a wasteful number, since it uses less digits than its factorization.

6698984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837379 (or 837375 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 6698984 is about 2588.2395561462. The cubic root of 6698984 is about 188.5108334319.

The spelling of 6698984 in words is "six million, six hundred ninety-eight thousand, nine hundred eighty-four".