39000 has 64 divisors (see below), whose sum is σ = 131040. Its totient is φ = 9600.

The previous prime is 38993. The next prime is 39019. The reversal of 39000 is 93.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 5 and base 15.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

39000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2994 + ... + 3006.

2³⁹⁰⁰⁰ is an apocalyptic number.

39000 is a gapful number since it is divisible by the number (30) 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 39000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65520).

39000 is an abundant number, since it is smaller than the sum of its proper divisors (92040).

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

39000 is a wasteful number, since it uses less digits than its factorization.

39000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 39000 is about 197.4841765813. The cubic root of 39000 is about 33.9121144301.

Adding to 39000 its reverse (93), we get a palindrome (39093).

It can be divided in two parts, 3 and 9000, that multiplied together give a cube (27000 = 30³).

The spelling of 39000 in words is "thirty-nine thousand".