16004369 has 2 divisors, whose sum is σ = 16004370. Its totient is φ = 16004368.

The previous prime is 16004353. The next prime is 16004381. The reversal of 16004369 is 96340061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14922769 + 1081600 = 3863^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 16004369 - 2⁴ = 16004353 is a prime.

It is a super-2 number, since 2×16004369² = 512279654176322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16004869) 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, 8002184 + 8002185.

It is an arithmetic number, because the mean of its divisors is an integer number (8002185).

Almost surely, 2^16004369 is an apocalyptic number.

It is an amenable number.

16004369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16004369 is an equidigital number, since it uses as much as digits as its factorization.

16004369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16004369 is about 4000.5460877235. The cubic root of 16004369 is about 252.0071437044.

The spelling of 16004369 in words is "sixteen million, four thousand, three hundred sixty-nine".