39844 has 12 divisors (see below), whose sum is σ = 79744. Its totient is φ = 17064.

The previous prime is 39841. The next prime is 39847. The reversal of 39844 is 44893.

39844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39841) and next prime (39847).

39844 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1423 = 39844 / (3 + 9 + 8 + 4 + 4).

It is a d-powerful number, because it can be written as 3⁷ + 9³ + 8⁵ + 4³ + 4⁶ .

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (39841) 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, 684 + ... + 739.

2³⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

39844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39872).

39844 is a wasteful number, since it uses less digits than its factorization.

39844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434 (or 1432 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 39844 is about 199.6096190067. The cubic root of 39844 is about 34.1550016362.

The spelling of 39844 in words is "thirty-nine thousand, eight hundred forty-four".