388285 has 8 divisors (see below), whose sum is σ = 472320. Its totient is φ = 306384.

The previous prime is 388277. The next prime is 388301. The reversal of 388285 is 582883.

It is a happy number.

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 388285 - 2³ = 388277 is a prime.

388285 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 388285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97 + ... + 886.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2³⁸⁸²⁸⁵ is an apocalyptic number.

It is an amenable number.

388285 is a deficient number, since it is larger than the sum of its proper divisors (84035).

388285 is an equidigital number, since it uses as much as digits as its factorization.

388285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 15360, while the sum is 34.

The square root of 388285 is about 623.1251880642. The cubic root of 388285 is about 72.9541840491.

It can be divided in two parts, 3 and 88285, that added together give a palindrome (88288).

The spelling of 388285 in words is "three hundred eighty-eight thousand, two hundred eighty-five".