14409685 has 4 divisors (see below), whose sum is σ = 17291628. Its totient is φ = 11527744.

The previous prime is 14409673. The next prime is 14409697. The reversal of 14409685 is 58690441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58690441 = 1787 ⋅32843.

It is an interprime number because it is at equal distance from previous prime (14409673) and next prime (14409697).

It can be written as a sum of positive squares in 2 ways, for example, as 6355441 + 8054244 = 2521^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 14409685 - 2⁵ = 14409653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440964 + ... + 1440973.

It is an arithmetic number, because the mean of its divisors is an integer number (4322907).

Almost surely, 2^14409685 is an apocalyptic number.

It is an amenable number.

14409685 is a deficient number, since it is larger than the sum of its proper divisors (2881943).

14409685 is an equidigital number, since it uses as much as digits as its factorization.

14409685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881942.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 14409685 is about 3796.0090885033. The cubic root of 14409685 is about 243.3426103091.

The spelling of 14409685 in words is "fourteen million, four hundred nine thousand, six hundred eighty-five".