39142892 has 24 divisors (see below), whose sum is σ = 71334816. Its totient is φ = 18776448.

The previous prime is 39142877. The next prime is 39142919. The reversal of 39142892 is 29824193.

39142892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8993 + ... + 12615.

It is an arithmetic number, because the mean of its divisors is an integer number (2972284).

Almost surely, 2^39142892 is an apocalyptic number.

It is an amenable number.

39142892 is a deficient number, since it is larger than the sum of its proper divisors (32191924).

39142892 is a wasteful number, since it uses less digits than its factorization.

39142892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737 (or 3735 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 39142892 is about 6256.4280544093. The cubic root of 39142892 is about 339.5348078687.

The spelling of 39142892 in words is "thirty-nine million, one hundred forty-two thousand, eight hundred ninety-two".