39540882 has 16 divisors (see below), whose sum is σ = 79146432. Its totient is φ = 13169520.

The previous prime is 39540869. The next prime is 39540883. The reversal of 39540882 is 28804593.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39540882.

It is not an unprimeable number, because it can be changed into a prime (39540883) 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, 9507 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (4946652).

Almost surely, 2^39540882 is an apocalyptic number.

39540882 is an abundant number, since it is smaller than the sum of its proper divisors (39605550).

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

39540882 is a wasteful number, since it uses less digits than its factorization.

39540882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 39540882 is about 6288.1541011651. The cubic root of 39540882 is about 340.6816830956.

The spelling of 39540882 in words is "thirty-nine million, five hundred forty thousand, eight hundred eighty-two".