14388661 has 8 divisors (see below), whose sum is σ = 16467200. Its totient is φ = 12315888.

The previous prime is 14388653. The next prime is 14388667. The reversal of 14388661 is 16688341.

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 14388661 - 2³ = 14388653 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 14388661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14388667) 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, 8515 + ... + 10063.

It is an arithmetic number, because the mean of its divisors is an integer number (2058400).

Almost surely, 2^14388661 is an apocalyptic number.

It is an amenable number.

14388661 is a deficient number, since it is larger than the sum of its proper divisors (2078539).

14388661 is a wasteful number, since it uses less digits than its factorization.

14388661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883.

The product of its digits is 27648, while the sum is 37.

The square root of 14388661 is about 3793.2388535393. The cubic root of 14388661 is about 243.2242055652.

It can be divided in two parts, 143 and 88661, that added together give a square (88804 = 298²).

The spelling of 14388661 in words is "fourteen million, three hundred eighty-eight thousand, six hundred sixty-one".