39685002 has 48 divisors (see below), whose sum is σ = 92832480. Its totient is φ = 11276832.

The previous prime is 39684961. The next prime is 39685003. The reversal of 39685002 is 20058693.

It is a happy number.

39685002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (39685003) 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 23 ways as a sum of consecutive naturals, for example, 101824 + ... + 102212.

It is an arithmetic number, because the mean of its divisors is an integer number (1934010).

Almost surely, 2^39685002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39685002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46416240).

39685002 is an abundant number, since it is smaller than the sum of its proper divisors (53147478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39685002 is a wasteful number, since it uses less digits than its factorization.

39685002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 39685002 is about 6299.6033208449. The cubic root of 39685002 is about 341.0950907684.

The spelling of 39685002 in words is "thirty-nine million, six hundred eighty-five thousand, two".