264671 has 4 divisors (see below), whose sum is σ = 288744. Its totient is φ = 240600.

The previous prime is 264659. The next prime is 264697. The reversal of 264671 is 176462.

264671 = 99² + 100² + ... + 120².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 264671 - 2¹⁰ = 263647 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 264671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12020 + ... + 12041.

It is an arithmetic number, because the mean of its divisors is an integer number (72186).

2²⁶⁴⁶⁷¹ is an apocalyptic number.

264671 is a deficient number, since it is larger than the sum of its proper divisors (24073).

264671 is a wasteful number, since it uses less digits than its factorization.

264671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24072.

The product of its digits is 2016, while the sum is 26.

The square root of 264671 is about 514.4618547570. The cubic root of 264671 is about 64.2049905057.

Subtracting from 264671 its reverse (176462), we obtain a square (88209 = 297²).

The spelling of 264671 in words is "two hundred sixty-four thousand, six hundred seventy-one".