14404381 has 2 divisors, whose sum is σ = 14404382. Its totient is φ = 14404380.

The previous prime is 14404373. The next prime is 14404421. The reversal of 14404381 is 18340441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 6081156 = 2885^2 + 2466^2 .

It is a cyclic number.

It is not a de Polignac number, because 14404381 - 2³ = 14404373 is a prime.

It is a super-2 number, since 2×14404381² = 414972383986322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14404331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7202190 + 7202191.

It is an arithmetic number, because the mean of its divisors is an integer number (7202191).

Almost surely, 2^14404381 is an apocalyptic number.

It is an amenable number.

14404381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14404381 is an equidigital number, since it uses as much as digits as its factorization.

14404381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 14404381 is about 3795.3103957384. The cubic root of 14404381 is about 243.3127496610.

The spelling of 14404381 in words is "fourteen million, four hundred four thousand, three hundred eighty-one".