264634487 has 8 divisors (see below), whose sum is σ = 291055296. Its totient is φ = 239080032.

The previous prime is 264634463. The next prime is 264634493. The reversal of 264634487 is 784436462.

264634487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264634487 - 2¹⁸ = 264372343 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 (264634457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215948 + ... + 217169.

It is an arithmetic number, because the mean of its divisors is an integer number (36381912).

Almost surely, 2^264634487 is an apocalyptic number.

264634487 is a deficient number, since it is larger than the sum of its proper divisors (26420809).

264634487 is a wasteful number, since it uses less digits than its factorization.

264634487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433177.

The product of its digits is 774144, while the sum is 44.

The square root of 264634487 is about 16267.5900796645. The cubic root of 264634487 is about 642.0203787814.

The spelling of 264634487 in words is "two hundred sixty-four million, six hundred thirty-four thousand, four hundred eighty-seven".