39860 has 12 divisors (see below), whose sum is σ = 83748. Its totient is φ = 15936.

The previous prime is 39857. The next prime is 39863. The reversal of 39860 is 6893.

It is a happy number.

39860 is digitally balanced in base 6, 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 (39857) and next prime (39863).

It can be written as a sum of positive squares in 2 ways, for example, as 21904 + 17956 = 148^2 + 134^2 .

39860 is strictly pandigital in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 39860.

It is not an unprimeable number, because it can be changed into a prime (39863) 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, 977 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (6979).

2³⁹⁸⁶⁰ is an apocalyptic number.

It is an amenable number.

39860 is an abundant number, since it is smaller than the sum of its proper divisors (43888).

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 (41874).

39860 is a wasteful number, since it uses less digits than its factorization.

39860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 39860 is about 199.6496932129. The cubic root of 39860 is about 34.1595728547.

The spelling of 39860 in words is "thirty-nine thousand, eight hundred sixty".