39449125 has 8 divisors (see below), whose sum is σ = 49232664. Its totient is φ = 31559200.

The previous prime is 39449107. The next prime is 39449147. The reversal of 39449125 is 52194493.

39449125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 39350529 = 314^2 + 6273^2 .

It is a de Polignac number, because none of the positive numbers 2^k-39449125 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 157672 + ... + 157921.

It is an arithmetic number, because the mean of its divisors is an integer number (6154083).

Almost surely, 2^39449125 is an apocalyptic number.

It is an amenable number.

39449125 is a deficient number, since it is larger than the sum of its proper divisors (9783539).

39449125 is an equidigital number, since it uses as much as digits as its factorization.

39449125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315608 (or 315598 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 39449125 is about 6280.8538432286. The cubic root of 39449125 is about 340.4179548645.

The spelling of 39449125 in words is "thirty-nine million, four hundred forty-nine thousand, one hundred twenty-five".