264783 has 4 divisors (see below), whose sum is σ = 353048. Its totient is φ = 176520.

The previous prime is 264779. The next prime is 264787. The reversal of 264783 is 387462.

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

It is an interprime number because it is at equal distance from previous prime (264779) and next prime (264787).

It is not a de Polignac number, because 264783 - 2² = 264779 is a prime.

It is a super-2 number, since 2×264783² = 140220074178, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264787) 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, 44128 + ... + 44133.

It is an arithmetic number, because the mean of its divisors is an integer number (88262).

2²⁶⁴⁷⁸³ is an apocalyptic number.

264783 is a deficient number, since it is larger than the sum of its proper divisors (88265).

264783 is an equidigital number, since it uses as much as digits as its factorization.

264783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88264.

The product of its digits is 8064, while the sum is 30.

The square root of 264783 is about 514.5706948515. The cubic root of 264783 is about 64.2140457036.

The spelling of 264783 in words is "two hundred sixty-four thousand, seven hundred eighty-three".