39965982 has 16 divisors (see below), whose sum is σ = 91350912. Its totient is φ = 11418840.

The previous prime is 39965923. The next prime is 39965983. The reversal of 39965982 is 28956993.

39965982 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 (39965983) 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, 475744 + ... + 475827.

It is an arithmetic number, because the mean of its divisors is an integer number (5709432).

Almost surely, 2^39965982 is an apocalyptic number.

39965982 is an abundant number, since it is smaller than the sum of its proper divisors (51384930).

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

39965982 is a wasteful number, since it uses less digits than its factorization.

39965982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951583.

The product of its digits is 1049760, while the sum is 51.

The square root of 39965982 is about 6321.8653892661. The cubic root of 39965982 is about 341.8982119024.

The spelling of 39965982 in words is "thirty-nine million, nine hundred sixty-five thousand, nine hundred eighty-two".