264366 has 24 divisors (see below), whose sum is σ = 603720. Its totient is φ = 83376.

The previous prime is 264359. The next prime is 264371. The reversal of 264366 is 663462.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 45 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (25155).

2²⁶⁴³⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301860).

264366 is an abundant number, since it is smaller than the sum of its proper divisors (339354).

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

264366 is a wasteful number, since it uses less digits than its factorization.

264366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 797 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 264366 is about 514.1653430561. The cubic root of 264366 is about 64.1803183037.

It can be divided in two parts, 264 and 366, that added together give a triangular number (630 = T₃₅).

The spelling of 264366 in words is "two hundred sixty-four thousand, three hundred sixty-six".