6884149 has 2 divisors, whose sum is σ = 6884150. Its totient is φ = 6884148.

The previous prime is 6884147. The next prime is 6884159. The reversal of 6884149 is 9414886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4028049 + 2856100 = 2007^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 6884149 - 2¹ = 6884147 is a prime.

Together with 6884147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6884147) by changing a digit.

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 as a sum of consecutive naturals, namely, 3442074 + 3442075.

It is an arithmetic number, because the mean of its divisors is an integer number (3442075).

Almost surely, 2^6884149 is an apocalyptic number.

It is an amenable number.

6884149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6884149 is an equidigital number, since it uses as much as digits as its factorization.

6884149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 6884149 is about 2623.7661862293. The cubic root of 6884149 is about 190.2319328311.

The spelling of 6884149 in words is "six million, eight hundred eighty-four thousand, one hundred forty-nine".