14279985 has 12 divisors (see below), whose sum is σ = 24752052. Its totient is φ = 7615968.

The previous prime is 14279971. The next prime is 14280029. The reversal of 14279985 is 58997241.

It can be written as a sum of positive squares in 2 ways, for example, as 7436529 + 6843456 = 2727^2 + 2616^2 .

It is not a de Polignac number, because 14279985 - 2⁵ = 14279953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 317333 = 14279985 / (1 + 4 + 2 + 7 + 9 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 14279985.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 158622 + ... + 158711.

It is an arithmetic number, because the mean of its divisors is an integer number (2062671).

Almost surely, 2^14279985 is an apocalyptic number.

14279985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14279985 is a deficient number, since it is larger than the sum of its proper divisors (10472067).

14279985 is a wasteful number, since it uses less digits than its factorization.

14279985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317344 (or 317341 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 14279985 is about 3778.8867408273. The cubic root of 14279985 is about 242.6103086913.

It can be divided in two parts, 142799 and 85, that added together give a square (142884 = 378²).

The spelling of 14279985 in words is "fourteen million, two hundred seventy-nine thousand, nine hundred eighty-five".