39012085 has 12 divisors (see below), whose sum is σ = 54458028. Its totient is φ = 26750976.

The previous prime is 39012079. The next prime is 39012089. The reversal of 39012085 is 58021093.

It can be written as a sum of positive squares in 2 ways, for example, as 20958084 + 18054001 = 4578^2 + 4249^2 .

It is not a de Polignac number, because 39012085 - 2⁵ = 39012053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39012089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79372 + ... + 79861.

It is an arithmetic number, because the mean of its divisors is an integer number (4538169).

Almost surely, 2^39012085 is an apocalyptic number.

39012085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39012085 is a deficient number, since it is larger than the sum of its proper divisors (15445943).

39012085 is a wasteful number, since it uses less digits than its factorization.

39012085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159252 (or 159245 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 39012085 is about 6245.9654978234. The cubic root of 39012085 is about 339.1561687099.

The spelling of 39012085 in words is "thirty-nine million, twelve thousand, eighty-five".