39984016 has 20 divisors (see below), whose sum is σ = 77589900. Its totient is φ = 19960832.

The previous prime is 39983989. The next prime is 39984019. The reversal of 39984016 is 61048993.

It can be written as a sum of positive squares in 2 ways, for example, as 36000000 + 3984016 = 6000^2 + 1996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39984016.

It is not an unprimeable number, because it can be changed into a prime (39984019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11400 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (3879495).

Almost surely, 2^39984016 is an apocalyptic number.

It is an amenable number.

39984016 is a deficient number, since it is larger than the sum of its proper divisors (37605884).

39984016 is a wasteful number, since it uses less digits than its factorization.

39984016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 39984016 is about 6323.2915479203. The cubic root of 39984016 is about 341.9496295070.

The spelling of 39984016 in words is "thirty-nine million, nine hundred eighty-four thousand, sixteen".