39879168 has 80 divisors (see below), whose sum is σ = 121450560. Its totient is φ = 11390976.

The previous prime is 39879167. The next prime is 39879173. The reversal of 39879168 is 86197893.

It is a self number, because there is not a number n which added to its sum of digits gives 39879168.

It is not an unprimeable number, because it can be changed into a prime (39879167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8898 + ... + 12606.

It is an arithmetic number, because the mean of its divisors is an integer number (1518132).

Almost surely, 2^39879168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39879168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60725280).

39879168 is an abundant number, since it is smaller than the sum of its proper divisors (81571392).

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

39879168 is an equidigital number, since it uses as much as digits as its factorization.

39879168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737 (or 3721 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 39879168 is about 6314.9954869343. The cubic root of 39879168 is about 341.6504756423.

The spelling of 39879168 in words is "thirty-nine million, eight hundred seventy-nine thousand, one hundred sixty-eight".