385285 has 8 divisors (see below), whose sum is σ = 465696. Its totient is φ = 306000.

The previous prime is 385279. The next prime is 385289. The reversal of 385285 is 582583.

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

It is not a de Polignac number, because 385285 - 2⁹ = 384773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385289) 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, 1102 + ... + 1408.

It is an arithmetic number, because the mean of its divisors is an integer number (58212).

2³⁸⁵²⁸⁵ is an apocalyptic number.

It is an amenable number.

385285 is a deficient number, since it is larger than the sum of its proper divisors (80411).

385285 is a wasteful number, since it uses less digits than its factorization.

385285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563.

The product of its digits is 9600, while the sum is 31.

The square root of 385285 is about 620.7132993581. The cubic root of 385285 is about 72.7658098318.

The spelling of 385285 in words is "three hundred eighty-five thousand, two hundred eighty-five".