39868480 has 56 divisors (see below), whose sum is σ = 98023680. Its totient is φ = 15429120.

The previous prime is 39868429. The next prime is 39868481. The reversal of 39868480 is 8486893.

It is a self number, because there is not a number n which added to its sum of digits gives 39868480.

It is not an unprimeable number, because it can be changed into a prime (39868481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7911 + ... + 11929.

Almost surely, 2^39868480 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 39868480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49011840).

39868480 is an abundant number, since it is smaller than the sum of its proper divisors (58155200).

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

39868480 is a wasteful number, since it uses less digits than its factorization.

39868480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 39868480 is about 6314.1491905086. The cubic root of 39868480 is about 341.6199510457.

The spelling of 39868480 in words is "thirty-nine million, eight hundred sixty-eight thousand, four hundred eighty".