39395985 has 8 divisors (see below), whose sum is σ = 63033600. Its totient is φ = 21011184.

The previous prime is 39395971. The next prime is 39395989. The reversal of 39395985 is 58959393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39395985 - 2⁴ = 39395969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39395989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313185 + ... + 1313214.

It is an arithmetic number, because the mean of its divisors is an integer number (7879200).

Almost surely, 2^39395985 is an apocalyptic number.

It is an amenable number.

39395985 is a deficient number, since it is larger than the sum of its proper divisors (23637615).

39395985 is a wasteful number, since it uses less digits than its factorization.

39395985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626407.

The product of its digits is 1312200, while the sum is 51.

The square root of 39395985 is about 6276.6221010986. The cubic root of 39395985 is about 340.2650326823.

The spelling of 39395985 in words is "thirty-nine million, three hundred ninety-five thousand, nine hundred eighty-five".