6984149 has 2 divisors, whose sum is σ = 6984150. Its totient is φ = 6984148.

The previous prime is 6984143. The next prime is 6984151. The reversal of 6984149 is 9414896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 145924 = 2615^2 + 382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6984149 is a prime.

It is a Sophie Germain prime.

Together with 6984151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6984143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3492074 + 3492075.

It is an arithmetic number, because the mean of its divisors is an integer number (3492075).

Almost surely, 2^6984149 is an apocalyptic number.

It is an amenable number.

6984149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6984149 is an equidigital number, since it uses as much as digits as its factorization.

6984149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 6984149 is about 2642.7540559046. The cubic root of 6984149 is about 191.1486192856.

The spelling of 6984149 in words is "six million, nine hundred eighty-four thousand, one hundred forty-nine".