14396381 has 2 divisors, whose sum is σ = 14396382. Its totient is φ = 14396380.

The previous prime is 14396377. The next prime is 14396419. The reversal of 14396381 is 18369341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7812025 + 6584356 = 2795^2 + 2566^2 .

It is a cyclic number.

It is not a de Polignac number, because 14396381 - 2² = 14396377 is a prime.

It is a super-2 number, since 2×14396381² = 414511571794322, which contains 22 as substring.

It is a Sophie Germain prime.

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 (14396311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7198190 + 7198191.

It is an arithmetic number, because the mean of its divisors is an integer number (7198191).

Almost surely, 2^14396381 is an apocalyptic number.

It is an amenable number.

14396381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14396381 is an equidigital number, since it uses as much as digits as its factorization.

14396381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 14396381 is about 3794.2563171193. The cubic root of 14396381 is about 243.2676971070.

The spelling of 14396381 in words is "fourteen million, three hundred ninety-six thousand, three hundred eighty-one".