39937245 has 32 divisors (see below), whose sum is σ = 66123648. Its totient is φ = 20567808.

The previous prime is 39937231. The next prime is 39937279. The reversal of 39937245 is 54273993.

39937245 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 39937245 - 2⁵ = 39937213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39937197 and 39937206.

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 31 ways as a sum of consecutive naturals, for example, 125827 + ... + 126143.

It is an arithmetic number, because the mean of its divisors is an integer number (2066364).

Almost surely, 2^39937245 is an apocalyptic number.

It is an amenable number.

39937245 is a deficient number, since it is larger than the sum of its proper divisors (26186403).

39937245 is a wasteful number, since it uses less digits than its factorization.

39937245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its digits is 204120, while the sum is 42.

The square root of 39937245 is about 6319.5921545619. The cubic root of 39937245 is about 341.8162464888.

The spelling of 39937245 in words is "thirty-nine million, nine hundred thirty-seven thousand, two hundred forty-five".