385287 has 12 divisors (see below), whose sum is σ = 597816. Its totient is φ = 220080.

The previous prime is 385279. The next prime is 385289. The reversal of 385287 is 782583.

It is not a de Polignac number, because 385287 - 2³ = 385279 is a prime.

385287 is a lucky 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 11 ways as a sum of consecutive naturals, for example, 1164 + ... + 1457.

It is an arithmetic number, because the mean of its divisors is an integer number (49818).

2³⁸⁵²⁸⁷ is an apocalyptic number.

385287 is a deficient number, since it is larger than the sum of its proper divisors (212529).

385287 is a wasteful number, since it uses less digits than its factorization.

385287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638 (or 2631 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 385287 is about 620.7149104057. The cubic root of 385287 is about 72.7659357398.

The spelling of 385287 in words is "three hundred eighty-five thousand, two hundred eighty-seven".