264046321 has 12 divisors (see below), whose sum is σ = 331695616. Its totient is φ = 205749720.

The previous prime is 264046297. The next prime is 264046339. The reversal of 264046321 is 123640462.

It is not a de Polignac number, because 264046321 - 2¹⁹ = 263522033 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 264046321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264046121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155025 + ... + 156718.

Almost surely, 2^264046321 is an apocalyptic number.

It is an amenable number.

264046321 is a deficient number, since it is larger than the sum of its proper divisors (67649295).

264046321 is a wasteful number, since it uses less digits than its factorization.

264046321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311772 (or 311761 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 264046321 is about 16249.5021769899. The cubic root of 264046321 is about 641.5443830469.

Adding to 264046321 its reverse (123640462), we get a palindrome (387686783).

The spelling of 264046321 in words is "two hundred sixty-four million, forty-six thousand, three hundred twenty-one".