38847071 has 6 divisors (see below), whose sum is σ = 39327720. Its totient is φ = 38372228.

The previous prime is 38847059. The next prime is 38847079. The reversal of 38847071 is 17074883.

It is a de Polignac number, because none of the positive numbers 2^k-38847071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38847079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4070 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (6554620).

Almost surely, 2^38847071 is an apocalyptic number.

38847071 is a deficient number, since it is larger than the sum of its proper divisors (480649).

38847071 is an frugal number, since it uses more digits than its factorization.

38847071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 38847071 is about 6232.7418525076. The cubic root of 38847071 is about 338.6773033365.

The spelling of 38847071 in words is "thirty-eight million, eight hundred forty-seven thousand, seventy-one".