39425842 has 8 divisors (see below), whose sum is σ = 59171436. Its totient is φ = 19702032.

The previous prime is 39425801. The next prime is 39425857. The reversal of 39425842 is 24852493.

It is a happy number.

39425842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6279²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 39425841 + 1 = 6279^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 288 + ... + 8884.

Almost surely, 2^39425842 is an apocalyptic number.

39425842 is a deficient number, since it is larger than the sum of its proper divisors (19745594).

39425842 is a wasteful number, since it uses less digits than its factorization.

39425842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10892.

The product of its digits is 69120, while the sum is 37.

The square root of 39425842 is about 6279.0000796305. Note that the first 4 decimals coincide. The cubic root of 39425842 is about 340.3509697618.

The spelling of 39425842 in words is "thirty-nine million, four hundred twenty-five thousand, eight hundred forty-two".