14238447 has 4 divisors (see below), whose sum is σ = 18984600. Its totient is φ = 9492296.

The previous prime is 14238443. The next prime is 14238457. The reversal of 14238447 is 74483241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14238447 - 2² = 14238443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14238443) 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, 2373072 + ... + 2373077.

It is an arithmetic number, because the mean of its divisors is an integer number (4746150).

Almost surely, 2^14238447 is an apocalyptic number.

14238447 is a deficient number, since it is larger than the sum of its proper divisors (4746153).

14238447 is an equidigital number, since it uses as much as digits as its factorization.

14238447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746152.

The product of its digits is 21504, while the sum is 33.

The square root of 14238447 is about 3773.3866751236. The cubic root of 14238447 is about 242.3748431288.

It can be divided in two parts, 1423 and 8447, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 14238447 in words is "fourteen million, two hundred thirty-eight thousand, four hundred forty-seven".