14238857 has 4 divisors (see below), whose sum is σ = 14262480. Its totient is φ = 14215236.

The previous prime is 14238853. The next prime is 14238871. The reversal of 14238857 is 75883241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14238857 - 2² = 14238853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14238857.

It is not an unprimeable number, because it can be changed into a prime (14238853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10883 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (3565620).

Almost surely, 2^14238857 is an apocalyptic number.

It is an amenable number.

14238857 is a deficient number, since it is larger than the sum of its proper divisors (23623).

14238857 is an equidigital number, since it uses as much as digits as its factorization.

14238857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622.

The product of its digits is 53760, while the sum is 38.

The square root of 14238857 is about 3773.4410025864. The cubic root of 14238857 is about 242.3771695232.

The spelling of 14238857 in words is "fourteen million, two hundred thirty-eight thousand, eight hundred fifty-seven".