14381993 has 8 divisors (see below), whose sum is σ = 15288000. Its totient is φ = 13490928.

The previous prime is 14381989. The next prime is 14382001. The reversal of 14381993 is 39918341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14381993 - 2² = 14381989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14381903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (1911000).

Almost surely, 2^14381993 is an apocalyptic number.

It is an amenable number.

14381993 is a deficient number, since it is larger than the sum of its proper divisors (906007).

14381993 is a wasteful number, since it uses less digits than its factorization.

14381993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471.

The product of its digits is 23328, while the sum is 38.

The square root of 14381993 is about 3792.3598194264. The cubic root of 14381993 is about 243.1866280682.

The spelling of 14381993 in words is "fourteen million, three hundred eighty-one thousand, nine hundred ninety-three".