39850 has 12 divisors (see below), whose sum is σ = 74214. Its totient is φ = 15920.

The previous prime is 39847. The next prime is 39857. The reversal of 39850 is 5893.

It can be written as a sum of positive squares in 3 ways, for example, as 29241 + 10609 = 171^2 + 103^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (39857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349 + ... + 448.

2³⁹⁸⁵⁰ is an apocalyptic number.

39850 is a deficient number, since it is larger than the sum of its proper divisors (34364).

39850 is a wasteful number, since it uses less digits than its factorization.

39850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 39850 is about 199.6246477768. The cubic root of 39850 is about 34.1567159865.

It can be divided in two parts, 398 and 50, that multiplied together give a triangular number (19900 = T₁₉₉).

The spelling of 39850 in words is "thirty-nine thousand, eight hundred fifty".