264380 has 12 divisors (see below), whose sum is σ = 555240. Its totient is φ = 105744.

The previous prime is 264371. The next prime is 264391. The reversal of 264380 is 83462.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 6590 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (46270).

2²⁶⁴³⁸⁰ is an apocalyptic number.

264380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264380 is an abundant number, since it is smaller than the sum of its proper divisors (290860).

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

264380 is a wasteful number, since it uses less digits than its factorization.

264380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13228 (or 13226 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 264380 is about 514.1789571735. The cubic root of 264380 is about 64.1814512137.

The spelling of 264380 in words is "two hundred sixty-four thousand, three hundred eighty".