39944086 has 64 divisors (see below), whose sum is σ = 77728896. Its totient is φ = 14976000.

The previous prime is 39944071. The next prime is 39944111. The reversal of 39944086 is 68044993.

Together with 37784810 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395436 + ... + 395536.

It is an arithmetic number, because the mean of its divisors is an integer number (1214514).

Almost surely, 2^39944086 is an apocalyptic number.

39944086 is a deficient number, since it is larger than the sum of its proper divisors (37784810).

39944086 is a wasteful number, since it uses less digits than its factorization.

39944086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 39944086 is about 6320.1333846684. The cubic root of 39944086 is about 341.8357623688.

The spelling of 39944086 in words is "thirty-nine million, nine hundred forty-four thousand, eighty-six".