13844649 has 48 divisors (see below), whose sum is σ = 23611392. Its totient is φ = 7061184.

The previous prime is 13844639. The next prime is 13844657. The reversal of 13844649 is 94644831.

It is a happy number.

13844649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13844649 - 2⁵ = 13844617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13844639) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166762 + ... + 166844.

It is an arithmetic number, because the mean of its divisors is an integer number (491904).

Almost surely, 2^13844649 is an apocalyptic number.

It is an amenable number.

13844649 is a deficient number, since it is larger than the sum of its proper divisors (9766743).

13844649 is a wasteful number, since it uses less digits than its factorization.

13844649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 153 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 13844649 is about 3720.8398245557. The cubic root of 13844649 is about 240.1194370795.

The spelling of 13844649 in words is "thirteen million, eight hundred forty-four thousand, six hundred forty-nine".