264827393 has 4 divisors (see below), whose sum is σ = 265080900. Its totient is φ = 264573888.

The previous prime is 264827371. The next prime is 264827401. The reversal of 264827393 is 393728462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 183250369 + 81577024 = 13537^2 + 9032^2 .

It is a cyclic number.

It is not a de Polignac number, because 264827393 - 2¹⁴ = 264811009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264827293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125180 + ... + 127277.

It is an arithmetic number, because the mean of its divisors is an integer number (66270225).

Almost surely, 2^264827393 is an apocalyptic number.

It is an amenable number.

264827393 is a deficient number, since it is larger than the sum of its proper divisors (253507).

264827393 is a wasteful number, since it uses less digits than its factorization.

264827393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253506.

The product of its digits is 435456, while the sum is 44.

The square root of 264827393 is about 16273.5181506643. The cubic root of 264827393 is about 642.1763417012.

The spelling of 264827393 in words is "two hundred sixty-four million, eight hundred twenty-seven thousand, three hundred ninety-three".