264395 has 4 divisors (see below), whose sum is σ = 317280. Its totient is φ = 211512.

The previous prime is 264391. The next prime is 264403. The reversal of 264395 is 593462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593462 = 2 ⋅296731.

It is a cyclic number.

It is not a de Polignac number, because 264395 - 2² = 264391 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 3⁴ + 4⁹ + 9² + 5 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26435 + ... + 26444.

It is an arithmetic number, because the mean of its divisors is an integer number (79320).

264395 is a Friedman number, since it can be written as 9+34*6^5+2, using all its digits and the basic arithmetic operations.

2²⁶⁴³⁹⁵ is an apocalyptic number.

264395 is a deficient number, since it is larger than the sum of its proper divisors (52885).

264395 is an equidigital number, since it uses as much as digits as its factorization.

264395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52884.

The product of its digits is 6480, while the sum is 29.

The square root of 264395 is about 514.1935433278. The cubic root of 264395 is about 64.1826650013.

The spelling of 264395 in words is "two hundred sixty-four thousand, three hundred ninety-five".