13843859 has 4 divisors (see below), whose sum is σ = 13865904. Its totient is φ = 13821816.

The previous prime is 13843853. The next prime is 13843877. The reversal of 13843859 is 95834831.

13843859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13843859 - 2⁸ = 13843603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13843853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10052 + ... + 11345.

It is an arithmetic number, because the mean of its divisors is an integer number (3466476).

Almost surely, 2^13843859 is an apocalyptic number.

13843859 is a deficient number, since it is larger than the sum of its proper divisors (22045).

13843859 is an equidigital number, since it uses as much as digits as its factorization.

13843859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22044.

The product of its digits is 103680, while the sum is 41.

The square root of 13843859 is about 3720.7336642119. The cubic root of 13843859 is about 240.1148697803.

The spelling of 13843859 in words is "thirteen million, eight hundred forty-three thousand, eight hundred fifty-nine".