14004385 has 4 divisors (see below), whose sum is σ = 16805268. Its totient is φ = 11203504.

The previous prime is 14004383. The next prime is 14004391. The reversal of 14004385 is 58340041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58340041 = 1427 ⋅40883.

It can be written as a sum of positive squares in 2 ways, for example, as 9168784 + 4835601 = 3028^2 + 2199^2 .

It is a cyclic number.

It is not a de Polignac number, because 14004385 - 2¹ = 14004383 is a prime.

It is a super-2 number, since 2×14004385² = 392245598456450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14004383) 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, 1400434 + ... + 1400443.

It is an arithmetic number, because the mean of its divisors is an integer number (4201317).

Almost surely, 2^14004385 is an apocalyptic number.

It is an amenable number.

14004385 is a deficient number, since it is larger than the sum of its proper divisors (2800883).

14004385 is an equidigital number, since it uses as much as digits as its factorization.

14004385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800882.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 14004385 is about 3742.2433111705. The cubic root of 14004385 is about 241.0393868238.

The spelling of 14004385 in words is "fourteen million, four thousand, three hundred eighty-five".