393265 has 4 divisors (see below), whose sum is σ = 471924. Its totient is φ = 314608.

The previous prime is 393257. The next prime is 393271. The reversal of 393265 is 562393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562393 = 13 ⋅43261.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 123904 = 519^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 393265 - 2³ = 393257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 39322 + ... + 39331.

It is an arithmetic number, because the mean of its divisors is an integer number (117981).

2³⁹³²⁶⁵ is an apocalyptic number.

It is an amenable number.

393265 is a deficient number, since it is larger than the sum of its proper divisors (78659).

393265 is an equidigital number, since it uses as much as digits as its factorization.

393265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78658.

The product of its digits is 4860, while the sum is 28.

The square root of 393265 is about 627.1084435726. The cubic root of 393265 is about 73.2647545284.

The spelling of 393265 in words is "three hundred ninety-three thousand, two hundred sixty-five".