14449381 has 2 divisors, whose sum is σ = 14449382. Its totient is φ = 14449380.

The previous prime is 14449361. The next prime is 14449399. The reversal of 14449381 is 18394441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 1846881 = 3550^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 14449381 - 2¹⁵ = 14416613 is a prime.

It is a super-2 number, since 2×14449381² = 417569222566322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14449321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7224690 + 7224691.

It is an arithmetic number, because the mean of its divisors is an integer number (7224691).

Almost surely, 2^14449381 is an apocalyptic number.

It is an amenable number.

14449381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14449381 is an equidigital number, since it uses as much as digits as its factorization.

14449381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 14449381 is about 3801.2341416966. The cubic root of 14449381 is about 243.5658599628.

The spelling of 14449381 in words is "fourteen million, four hundred forty-nine thousand, three hundred eighty-one".