39880 has 16 divisors (see below), whose sum is σ = 89820. Its totient is φ = 15936.

The previous prime is 39877. The next prime is 39883. The reversal of 39880 is 8893.

39880 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 (39877) and next prime (39883).

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 676 = 198^2 + 26^2 .

It is not an unprimeable number, because it can be changed into a prime (39883) 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, 459 + ... + 538.

2³⁹⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

39880 is an abundant number, since it is smaller than the sum of its proper divisors (49940).

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 (44910).

39880 is a wasteful number, since it uses less digits than its factorization.

39880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 39880 is about 199.6997746619. The cubic root of 39880 is about 34.1652851580.

It can be divided in two parts, 39 and 880, that added together give a palindrome (919).

The spelling of 39880 in words is "thirty-nine thousand, eight hundred eighty".