14243661 has 16 divisors (see below), whose sum is σ = 21160320. Its totient is φ = 9469440.

The previous prime is 14243659. The next prime is 14243681. The reversal of 14243661 is 16634241.

It is not a de Polignac number, because 14243661 - 2¹ = 14243659 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16896 + ... + 17718.

It is an arithmetic number, because the mean of its divisors is an integer number (1322520).

Almost surely, 2^14243661 is an apocalyptic number.

It is an amenable number.

14243661 is a deficient number, since it is larger than the sum of its proper divisors (6916659).

14243661 is an equidigital number, since it uses as much as digits as its factorization.

14243661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473 (or 1467 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 14243661 is about 3774.0775031788. The cubic root of 14243661 is about 242.4044247305.

The spelling of 14243661 in words is "fourteen million, two hundred forty-three thousand, six hundred sixty-one".