39381936 has 40 divisors (see below), whose sum is σ = 110986944. Its totient is φ = 11933760.

The previous prime is 39381931. The next prime is 39381959. The reversal of 39381936 is 63918393.

39381936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39381931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36766 + ... + 37821.

Almost surely, 2^39381936 is an apocalyptic number.

It is an amenable number.

39381936 is an abundant number, since it is smaller than the sum of its proper divisors (71605008).

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

39381936 is a wasteful number, since it uses less digits than its factorization.

39381936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74609 (or 74603 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 39381936 is about 6275.5028483780. The cubic root of 39381936 is about 340.2245805753.

The spelling of 39381936 in words is "thirty-nine million, three hundred eighty-one thousand, nine hundred thirty-six".