13844988 has 54 divisors (see below), whose sum is σ = 36635144. Its totient is φ = 4408272.

The previous prime is 13844969. The next prime is 13845001. The reversal of 13844988 is 88944831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18681 + ... + 19407.

Almost surely, 2^13844988 is an apocalyptic number.

13844988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13844988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18317572).

13844988 is an abundant number, since it is smaller than the sum of its proper divisors (22790156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13844988 is a wasteful number, since it uses less digits than its factorization.

13844988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 755 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 13844988 is about 3720.8853785087. The cubic root of 13844988 is about 240.1213969179.

The spelling of 13844988 in words is "thirteen million, eight hundred forty-four thousand, nine hundred eighty-eight".