38516947 has 8 divisors (see below), whose sum is σ = 44316000. Its totient is φ = 32792064.

The previous prime is 38516939. The next prime is 38516957. The reversal of 38516947 is 74961583.

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

It is a cyclic number.

It is not a de Polignac number, because 38516947 - 2³ = 38516939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38516957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17422 + ... + 19507.

It is an arithmetic number, because the mean of its divisors is an integer number (5539500).

Almost surely, 2^38516947 is an apocalyptic number.

38516947 is a deficient number, since it is larger than the sum of its proper divisors (5799053).

38516947 is a wasteful number, since it uses less digits than its factorization.

38516947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37085.

The product of its digits is 181440, while the sum is 43.

The square root of 38516947 is about 6206.2023009245. The cubic root of 38516947 is about 337.7152083299.

The spelling of 38516947 in words is "thirty-eight million, five hundred sixteen thousand, nine hundred forty-seven".