38789217 has 12 divisors (see below), whose sum is σ = 56818944. Its totient is φ = 25494840.

The previous prime is 38789213. The next prime is 38789227. The reversal of 38789217 is 71298783.

It is not a de Polignac number, because 38789217 - 2² = 38789213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38789213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29713 + ... + 30990.

It is an arithmetic number, because the mean of its divisors is an integer number (4734912).

Almost surely, 2^38789217 is an apocalyptic number.

It is an amenable number.

38789217 is a deficient number, since it is larger than the sum of its proper divisors (18029727).

38789217 is a wasteful number, since it uses less digits than its factorization.

38789217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60780 (or 60777 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 38789217 is about 6228.0989876527. The cubic root of 38789217 is about 338.5090918418.

The spelling of 38789217 in words is "thirty-eight million, seven hundred eighty-nine thousand, two hundred seventeen".