16841399 has 2 divisors, whose sum is σ = 16841400. Its totient is φ = 16841398.

The previous prime is 16841371. The next prime is 16841417. The reversal of 16841399 is 99314861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16841399 - 2²⁰ = 15792823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16841329) 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, 8420699 + 8420700.

It is an arithmetic number, because the mean of its divisors is an integer number (8420700).

Almost surely, 2^16841399 is an apocalyptic number.

16841399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16841399 is an equidigital number, since it uses as much as digits as its factorization.

16841399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 16841399 is about 4103.8273599166. The cubic root of 16841399 is about 256.3260362103.

The spelling of 16841399 in words is "sixteen million, eight hundred forty-one thousand, three hundred ninety-nine".