14291993 has 6 divisors (see below), whose sum is σ = 14940954. Its totient is φ = 13670096.

The previous prime is 14291939. The next prime is 14292001. The reversal of 14291993 is 39919241.

It can be written as a sum of positive squares in only one way, i.e., 14227984 + 64009 = 3772^2 + 253^2 .

It is not a de Polignac number, because 14291993 - 2⁶ = 14291929 is a prime.

It is a super-2 number, since 2×14291993² = 408522127824098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14291593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12980 + ... + 14037.

It is an arithmetic number, because the mean of its divisors is an integer number (2490159).

Almost surely, 2^14291993 is an apocalyptic number.

It is an amenable number.

14291993 is a deficient number, since it is larger than the sum of its proper divisors (648961).

14291993 is an equidigital number, since it uses as much as digits as its factorization.

14291993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27063 (or 27040 counting only the distinct ones).

The product of its digits is 17496, while the sum is 38.

The square root of 14291993 is about 3780.4752346762. The cubic root of 14291993 is about 242.6782930854.

The spelling of 14291993 in words is "fourteen million, two hundred ninety-one thousand, nine hundred ninety-three".