264887236 has 12 divisors (see below), whose sum is σ = 465136812. Its totient is φ = 131991008.

The previous prime is 264887221. The next prime is 264887239. The reversal of 264887236 is 632788462.

It can be written as a sum of positive squares in 2 ways, for example, as 140564736 + 124322500 = 11856^2 + 11150^2 .

It is not an unprimeable number, because it can be changed into a prime (264887239) 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 3 ways as a sum of consecutive naturals, for example, 111835 + ... + 114178.

It is an arithmetic number, because the mean of its divisors is an integer number (38761401).

Almost surely, 2^264887236 is an apocalyptic number.

It is an amenable number.

264887236 is a deficient number, since it is larger than the sum of its proper divisors (200249576).

264887236 is a wasteful number, since it uses less digits than its factorization.

264887236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226310 (or 226308 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 264887236 is about 16275.3567088405. The cubic root of 264887236 is about 642.2247088837.

The spelling of 264887236 in words is "two hundred sixty-four million, eight hundred eighty-seven thousand, two hundred thirty-six".