39916064 has 24 divisors (see below), whose sum is σ = 81296460. Its totient is φ = 19269376.

The previous prime is 39916061. The next prime is 39916073. The reversal of 39916064 is 46061993.

It can be written as a sum of positive squares in 2 ways, for example, as 38688400 + 1227664 = 6220^2 + 1108^2 .

It is not an unprimeable number, because it can be changed into a prime (39916061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20579 + ... + 22434.

Almost surely, 2^39916064 is an apocalyptic number.

It is an amenable number.

39916064 is an abundant number, since it is smaller than the sum of its proper divisors (41380396).

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

39916064 is a wasteful number, since it uses less digits than its factorization.

39916064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43052 (or 43044 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 39916064 is about 6317.9161121370. The cubic root of 39916064 is about 341.7558075825.

The spelling of 39916064 in words is "thirty-nine million, nine hundred sixteen thousand, sixty-four".