14421985 has 8 divisors (see below), whose sum is σ = 17709120. Its totient is φ = 11269104.

The previous prime is 14421983. The next prime is 14422021. The reversal of 14421985 is 58912441.

14421985 = 558² + 559² + ... + 600².

It is a happy number.

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 14421985 - 2¹ = 14421983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14421985.

It is not an unprimeable number, because it can be changed into a prime (14421983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33325 + ... + 33754.

It is an arithmetic number, because the mean of its divisors is an integer number (2213640).

Almost surely, 2^14421985 is an apocalyptic number.

It is an amenable number.

14421985 is a deficient number, since it is larger than the sum of its proper divisors (3287135).

14421985 is an equidigital number, since it uses as much as digits as its factorization.

14421985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67127.

The product of its digits is 11520, while the sum is 34.

The square root of 14421985 is about 3797.6288654896. The cubic root of 14421985 is about 243.4118290991.

The spelling of 14421985 in words is "fourteen million, four hundred twenty-one thousand, nine hundred eighty-five".