14420389 has 4 divisors (see below), whose sum is σ = 14428800. Its totient is φ = 14411980.

The previous prime is 14420383. The next prime is 14420429. The reversal of 14420389 is 98302441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98302441 = 1699 ⋅57859.

It is a cyclic number.

It is not a de Polignac number, because 14420389 - 2⁷ = 14420261 is a prime.

It is a super-2 number, since 2×14420389² = 415895237822642, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 14420389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (3607200).

Almost surely, 2^14420389 is an apocalyptic number.

It is an amenable number.

14420389 is a deficient number, since it is larger than the sum of its proper divisors (8411).

14420389 is an equidigital number, since it uses as much as digits as its factorization.

14420389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 14420389 is about 3797.4187285576. The cubic root of 14420389 is about 243.4028497616.

The spelling of 14420389 in words is "fourteen million, four hundred twenty thousand, three hundred eighty-nine".