264682397 has 4 divisors (see below), whose sum is σ = 302494176. Its totient is φ = 226870620.

The previous prime is 264682393. The next prime is 264682403. The reversal of 264682397 is 793286462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793286462 = 2 ⋅396643231.

It is a cyclic number.

It is not a de Polignac number, because 264682397 - 2² = 264682393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264682393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18905879 + ... + 18905892.

It is an arithmetic number, because the mean of its divisors is an integer number (75623544).

Almost surely, 2^264682397 is an apocalyptic number.

It is an amenable number.

264682397 is a deficient number, since it is larger than the sum of its proper divisors (37811779).

264682397 is an equidigital number, since it uses as much as digits as its factorization.

264682397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37811778.

The product of its digits is 870912, while the sum is 47.

The square root of 264682397 is about 16269.0625728712. The cubic root of 264682397 is about 642.0591206962.

The spelling of 264682397 in words is "two hundred sixty-four million, six hundred eighty-two thousand, three hundred ninety-seven".