14285991 has 8 divisors (see below), whose sum is σ = 19407600. Its totient is φ = 9344192.

The previous prime is 14285989. The next prime is 14286007. The reversal of 14285991 is 19958241.

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 14285991 - 2¹ = 14285989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14285291) 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, 44766 + ... + 45083.

It is an arithmetic number, because the mean of its divisors is an integer number (2425950).

Almost surely, 2^14285991 is an apocalyptic number.

14285991 is a deficient number, since it is larger than the sum of its proper divisors (5121609).

14285991 is an equidigital number, since it uses as much as digits as its factorization.

14285991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89905.

The product of its digits is 25920, while the sum is 39.

The square root of 14285991 is about 3779.6813357742. The cubic root of 14285991 is about 242.6443169735.

The spelling of 14285991 in words is "fourteen million, two hundred eighty-five thousand, nine hundred ninety-one".