264993 has 8 divisors (see below), whose sum is σ = 372000. Its totient is φ = 167328.

The previous prime is 264991. The next prime is 264997. The reversal of 264993 is 399462.

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

It is not a de Polignac number, because 264993 - 2¹ = 264991 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹¹ + 6² + 9 + 4⁹ + 9³ + 3³ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (46500).

2²⁶⁴⁹⁹³ is an apocalyptic number.

It is an amenable number.

264993 is a deficient number, since it is larger than the sum of its proper divisors (107007).

264993 is a wasteful number, since it uses less digits than its factorization.

264993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671.

The product of its digits is 11664, while the sum is 33.

The square root of 264993 is about 514.7747080034. The cubic root of 264993 is about 64.2310173195.

It can be divided in two parts, 26499 and 3, that multiplied together give a palindrome (79497).

The spelling of 264993 in words is "two hundred sixty-four thousand, nine hundred ninety-three".