14000391 has 8 divisors (see below), whose sum is σ = 20741360. Its totient is φ = 9333576.

The previous prime is 14000383. The next prime is 14000423. The reversal of 14000391 is 19300041.

It is not a de Polignac number, because 14000391 - 2³ = 14000383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14000341) 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 in 7 ways as a sum of consecutive naturals, for example, 259240 + ... + 259293.

It is an arithmetic number, because the mean of its divisors is an integer number (2592670).

Almost surely, 2^14000391 is an apocalyptic number.

14000391 is a deficient number, since it is larger than the sum of its proper divisors (6740969).

14000391 is an equidigital number, since it uses as much as digits as its factorization.

14000391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518542 (or 518536 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 14000391 is about 3741.7096359819. The cubic root of 14000391 is about 241.0164701243.

The spelling of 14000391 in words is "fourteen million, three hundred ninety-one", and thus it is an aban number.