39936345 has 16 divisors (see below), whose sum is σ = 64007232. Its totient is φ = 21263040.

The previous prime is 39936331. The next prime is 39936353. The reversal of 39936345 is 54363993.

It is not a de Polignac number, because 39936345 - 2⁵ = 39936313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39936297 and 39936306.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8439 + ... + 12291.

It is an arithmetic number, because the mean of its divisors is an integer number (4000452).

Almost surely, 2^39936345 is an apocalyptic number.

It is an amenable number.

39936345 is a deficient number, since it is larger than the sum of its proper divisors (24070887).

39936345 is a wasteful number, since it uses less digits than its factorization.

39936345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4552.

The product of its digits is 262440, while the sum is 42.

The square root of 39936345 is about 6319.5209470339. The cubic root of 39936345 is about 341.8136788194.

The spelling of 39936345 in words is "thirty-nine million, nine hundred thirty-six thousand, three hundred forty-five".