39045685 has 32 divisors (see below), whose sum is σ = 57231360. Its totient is φ = 24963072.

The previous prime is 39045679. The next prime is 39045689. The reversal of 39045685 is 58654093.

39045685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39045685 - 2⁹ = 39045173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39045689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81276 + ... + 81754.

It is an arithmetic number, because the mean of its divisors is an integer number (1788480).

Almost surely, 2^39045685 is an apocalyptic number.

39045685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39045685 is a deficient number, since it is larger than the sum of its proper divisors (18185675).

39045685 is a wasteful number, since it uses less digits than its factorization.

39045685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 39045685 is about 6248.6546552038. The cubic root of 39045685 is about 339.2535092925.

The spelling of 39045685 in words is "thirty-nine million, forty-five thousand, six hundred eighty-five".