385217107 has 8 divisors (see below), whose sum is σ = 420888240. Its totient is φ = 349654560.

The previous prime is 385217089. The next prime is 385217111. The reversal of 385217107 is 701712583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385217107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385217137) 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, 19632 + ... + 33997.

It is an arithmetic number, because the mean of its divisors is an integer number (52611030).

Almost surely, 2^385217107 is an apocalyptic number.

385217107 is a deficient number, since it is larger than the sum of its proper divisors (35671133).

385217107 is a wasteful number, since it uses less digits than its factorization.

385217107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54293.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 385217107 is about 19626.9484892583. The cubic root of 385217107 is about 727.6153543813.

The spelling of 385217107 in words is "three hundred eighty-five million, two hundred seventeen thousand, one hundred seven".