264836 has 24 divisors (see below), whose sum is σ = 545664. Its totient is φ = 110880.

The previous prime is 264829. The next prime is 264839. The reversal of 264836 is 638462.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 264799 and 264808.

It is not an unprimeable number, because it can be changed into a prime (264839) by changing a digit.

264836 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 7 ways as a sum of consecutive naturals, for example, 341 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (22736).

2²⁶⁴⁸³⁶ is an apocalyptic number.

264836 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

264836 is an abundant number, since it is smaller than the sum of its proper divisors (280828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

264836 is a wasteful number, since it uses less digits than its factorization.

264836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

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

The square root of 264836 is about 514.6221915153. The cubic root of 264836 is about 64.2183298625.

The spelling of 264836 in words is "two hundred sixty-four thousand, eight hundred thirty-six".