264386 has 8 divisors (see below), whose sum is σ = 399504. Its totient is φ = 131220.

The previous prime is 264371. The next prime is 264391. The reversal of 264386 is 683462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×264386³ = 55441710091033368, which contains 333 as substring.

It is an unprimeable number.

264386 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 80 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (49938).

264386 is a Friedman number, since it can be written as 68*6^4*3+2, using all its digits and the basic arithmetic operations.

2²⁶⁴³⁸⁶ is an apocalyptic number.

264386 is a deficient number, since it is larger than the sum of its proper divisors (135118).

264386 is a wasteful number, since it uses less digits than its factorization.

264386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its digits is 6912, while the sum is 29.

The square root of 264386 is about 514.1847916849. The cubic root of 264386 is about 64.1819367343.

The spelling of 264386 in words is "two hundred sixty-four thousand, three hundred eighty-six".