385017 has 4 divisors (see below), whose sum is σ = 513360. Its totient is φ = 256676.

The previous prime is 385013. The next prime is 385027. The reversal of 385017 is 710583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385017 - 2² = 385013 is a prime.

It is a D-number.

385017 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385017.

It is not an unprimeable number, because it can be changed into a prime (385013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64167 + ... + 64172.

It is an arithmetic number, because the mean of its divisors is an integer number (128340).

2³⁸⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

385017 is a deficient number, since it is larger than the sum of its proper divisors (128343).

385017 is a wasteful number, since it uses less digits than its factorization.

385017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128342.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 385017 is about 620.4973811387. The cubic root of 385017 is about 72.7489342199.

The spelling of 385017 in words is "three hundred eighty-five thousand, seventeen".