39085864 has 16 divisors (see below), whose sum is σ = 73693620. Its totient is φ = 19434240.

The previous prime is 39085861. The next prime is 39085883. The reversal of 39085864 is 46858093.

It can be written as a sum of positive squares in 2 ways, for example, as 25704900 + 13380964 = 5070^2 + 3658^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39085864.

It is not an unprimeable number, because it can be changed into a prime (39085861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12049 + ... + 14944.

Almost surely, 2^39085864 is an apocalyptic number.

It is an amenable number.

39085864 is a deficient number, since it is larger than the sum of its proper divisors (34607756).

39085864 is a wasteful number, since it uses less digits than its factorization.

39085864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27180 (or 27176 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 39085864 is about 6251.8688405948. The cubic root of 39085864 is about 339.3698362218.

The spelling of 39085864 in words is "thirty-nine million, eighty-five thousand, eight hundred sixty-four".