14420387 has 4 divisors (see below), whose sum is σ = 14429016. Its totient is φ = 14411760.

The previous prime is 14420383. The next prime is 14420429. The reversal of 14420387 is 78302441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 14420387 - 2² = 14420383 is a prime.

It is a super-2 number, since 2×14420387² = 415895122459538, which contains 22 as substring.

It is a Duffinian 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, 914 + ... + 5447.

It is an arithmetic number, because the mean of its divisors is an integer number (3607254).

Almost surely, 2^14420387 is an apocalyptic number.

14420387 is a deficient number, since it is larger than the sum of its proper divisors (8629).

14420387 is an equidigital number, since it uses as much as digits as its factorization.

14420387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 14420387 is about 3797.4184652208. The cubic root of 14420387 is about 243.4028385089.

The spelling of 14420387 in words is "fourteen million, four hundred twenty thousand, three hundred eighty-seven".