39800 has 24 divisors (see below), whose sum is σ = 93000. Its totient is φ = 15840.

The previous prime is 39799. The next prime is 39821. The reversal of 39800 is 893.

39800 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

39800 is strictly pandigital in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101 + ... + 299.

It is an arithmetic number, because the mean of its divisors is an integer number (3875).

2³⁹⁸⁰⁰ is an apocalyptic number.

It is a pronic number, being equal to 199×200.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46500).

39800 is an abundant number, since it is smaller than the sum of its proper divisors (53200).

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

39800 is a wasteful number, since it uses less digits than its factorization.

39800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 39800 is about 199.4993734326. The cubic root of 39800 is about 34.1424244719.

The spelling of 39800 in words is "thirty-nine thousand, eight hundred".