393285 has 16 divisors (see below), whose sum is σ = 637056. Its totient is φ = 207168.

The previous prime is 393271. The next prime is 393287. The reversal of 393285 is 582393.

It is a happy number.

It is not a de Polignac number, because 393285 - 2⁷ = 393157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (39816).

2³⁹³²⁸⁵ is an apocalyptic number.

It is an amenable number.

393285 is a deficient number, since it is larger than the sum of its proper divisors (243771).

393285 is a wasteful number, since it uses less digits than its factorization.

393285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 6480, while the sum is 30.

The square root of 393285 is about 627.1243895751. The cubic root of 393285 is about 73.2659964986.

The spelling of 393285 in words is "three hundred ninety-three thousand, two hundred eighty-five".