39920382 has 12 divisors (see below), whose sum is σ = 86494200. Its totient is φ = 13306788.

The previous prime is 39920381. The next prime is 39920393. The reversal of 39920382 is 28302993.

39920382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39920381) 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 5 ways as a sum of consecutive naturals, for example, 1108882 + ... + 1108917.

It is an arithmetic number, because the mean of its divisors is an integer number (7207850).

Almost surely, 2^39920382 is an apocalyptic number.

39920382 is an abundant number, since it is smaller than the sum of its proper divisors (46573818).

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

39920382 is a wasteful number, since it uses less digits than its factorization.

39920382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217807 (or 2217804 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 39920382 is about 6318.2578294970. The cubic root of 39920382 is about 341.7681305107.

The spelling of 39920382 in words is "thirty-nine million, nine hundred twenty thousand, three hundred eighty-two".