39938 has 8 divisors (see below), whose sum is σ = 63120. Its totient is φ = 18900.

The previous prime is 39937. The next prime is 39953. The reversal of 39938 is 83993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (39937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (7890).

2³⁹⁹³⁸ is an apocalyptic number.

39938 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

39938 is a deficient number, since it is larger than the sum of its proper divisors (23182).

39938 is a wasteful number, since it uses less digits than its factorization.

39938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072.

The product of its digits is 5832, while the sum is 32.

The square root of 39938 is about 199.8449398909. The cubic root of 39938 is about 34.1818400448.

The spelling of 39938 in words is "thirty-nine thousand, nine hundred thirty-eight".