14642389 has 4 divisors (see below), whose sum is σ = 15503724. Its totient is φ = 13781056.

The previous prime is 14642387. The next prime is 14642429. The reversal of 14642389 is 98324641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12215025 + 2427364 = 3495^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 14642389 - 2¹ = 14642387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14642387) 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, 430642 + ... + 430675.

It is an arithmetic number, because the mean of its divisors is an integer number (3875931).

Almost surely, 2^14642389 is an apocalyptic number.

It is an amenable number.

14642389 is a deficient number, since it is larger than the sum of its proper divisors (861335).

14642389 is an equidigital number, since it uses as much as digits as its factorization.

14642389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861334.

The product of its digits is 41472, while the sum is 37.

The square root of 14642389 is about 3826.5374687830. The cubic root of 14642389 is about 244.6455460274.

The spelling of 14642389 in words is "fourteen million, six hundred forty-two thousand, three hundred eighty-nine".