39842922 has 32 divisors (see below), whose sum is σ = 91441152. Its totient is φ = 11337264.

The previous prime is 39842921. The next prime is 39842941. The reversal of 39842922 is 22924893.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (39842921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9243 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (2857536).

Almost surely, 2^39842922 is an apocalyptic number.

39842922 is an abundant number, since it is smaller than the sum of its proper divisors (51598230).

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

39842922 is a wasteful number, since it uses less digits than its factorization.

39842922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882.

The product of its digits is 62208, while the sum is 39.

The square root of 39842922 is about 6312.1249987623. The cubic root of 39842922 is about 341.5469360633.

The spelling of 39842922 in words is "thirty-nine million, eight hundred forty-two thousand, nine hundred twenty-two".