13844489 has 4 divisors (see below), whose sum is σ = 13859220. Its totient is φ = 13829760.

The previous prime is 13844471. The next prime is 13844497. The reversal of 13844489 is 98444831.

13844489 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, and also an emirpimes, since its reverse is a distinct semiprime: 98444831 = 1531 ⋅64301.

It can be written as a sum of positive squares in 2 ways, for example, as 3553225 + 10291264 = 1885^2 + 3208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13844489 is a prime.

It is a super-2 number, since 2×13844489² = 383339751342242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13844419) 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, 5852 + ... + 7869.

It is an arithmetic number, because the mean of its divisors is an integer number (3464805).

Almost surely, 2^13844489 is an apocalyptic number.

It is an amenable number.

13844489 is a deficient number, since it is larger than the sum of its proper divisors (14731).

13844489 is a wasteful number, since it uses less digits than its factorization.

13844489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14730.

The product of its digits is 110592, while the sum is 41.

The square root of 13844489 is about 3720.8183239712. The cubic root of 13844489 is about 240.1185120709.

The spelling of 13844489 in words is "thirteen million, eight hundred forty-four thousand, four hundred eighty-nine".