38705245 has 8 divisors (see below), whose sum is σ = 46781280. Its totient is φ = 30740880.

The previous prime is 38705201. The next prime is 38705263. The reversal of 38705245 is 54250783.

It is a happy number.

38705245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-38705245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38705245.

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, 27151 + ... + 28540.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^38705245 is an apocalyptic number.

It is an amenable number.

38705245 is a deficient number, since it is larger than the sum of its proper divisors (8076035).

38705245 is a wasteful number, since it uses less digits than its factorization.

38705245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55835.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 38705245 is about 6221.3539523162. The cubic root of 38705245 is about 338.2646439916.

The spelling of 38705245 in words is "thirty-eight million, seven hundred five thousand, two hundred forty-five".