385517 has 8 divisors (see below), whose sum is σ = 425952. Its totient is φ = 346000.

The previous prime is 385501. The next prime is 385519. The reversal of 385517 is 715583.

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 385517 - 2⁴ = 385501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385519) 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, 938 + ... + 1284.

It is an arithmetic number, because the mean of its divisors is an integer number (53244).

2³⁸⁵⁵¹⁷ is an apocalyptic number.

It is an amenable number.

385517 is a deficient number, since it is larger than the sum of its proper divisors (40435).

385517 is a wasteful number, since it uses less digits than its factorization.

385517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 4200, while the sum is 29.

The square root of 385517 is about 620.9001530037. The cubic root of 385517 is about 72.7804122522.

It can be divided in two parts, 38 and 5517, that added together give a palindrome (5555).

The spelling of 385517 in words is "three hundred eighty-five thousand, five hundred seventeen".