39685084 has 12 divisors (see below), whose sum is σ = 71689408. Its totient is φ = 19202400.

The previous prime is 39685081. The next prime is 39685109. The reversal of 39685084 is 48058693.

It is a self number, because there is not a number n which added to its sum of digits gives 39685084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39685081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159897 + ... + 160144.

Almost surely, 2^39685084 is an apocalyptic number.

It is an amenable number.

39685084 is a deficient number, since it is larger than the sum of its proper divisors (32004324).

39685084 is a wasteful number, since it uses less digits than its factorization.

39685084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320076 (or 320074 counting only the distinct ones).

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

The square root of 39685084 is about 6299.6098291878. The cubic root of 39685084 is about 341.0953256999.

The spelling of 39685084 in words is "thirty-nine million, six hundred eighty-five thousand, eighty-four".