39439125 has 48 divisors (see below), whose sum is σ = 77583168. Its totient is φ = 19116000.

The previous prime is 39439121. The next prime is 39439139. The reversal of 39439125 is 52193493.

It is a happy number.

39439125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39439125 - 2² = 39439121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39439125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39439121) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10782 + ... + 13968.

It is an arithmetic number, because the mean of its divisors is an integer number (1616316).

Almost surely, 2^39439125 is an apocalyptic number.

It is an amenable number.

39439125 is a deficient number, since it is larger than the sum of its proper divisors (38144043).

39439125 is a wasteful number, since it uses less digits than its factorization.

39439125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219 (or 3206 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 39439125 is about 6280.0577226647. The cubic root of 39439125 is about 340.3891881324.

The spelling of 39439125 in words is "thirty-nine million, four hundred thirty-nine thousand, one hundred twenty-five".