39840882 has 16 divisors (see below), whose sum is σ = 79780512. Its totient is φ = 13263840.

The previous prime is 39840851. The next prime is 39840883. The reversal of 39840882 is 28804893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39840883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782 + ... + 9102.

It is an arithmetic number, because the mean of its divisors is an integer number (4986282).

Almost surely, 2^39840882 is an apocalyptic number.

39840882 is an abundant number, since it is smaller than the sum of its proper divisors (39939630).

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

39840882 is a wasteful number, since it uses less digits than its factorization.

39840882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 39840882 is about 6311.9634029357. The cubic root of 39840882 is about 341.5411067750.

The spelling of 39840882 in words is "thirty-nine million, eight hundred forty thousand, eight hundred eighty-two".