264893845 has 4 divisors (see below), whose sum is σ = 317872620. Its totient is φ = 211915072.

The previous prime is 264893843. The next prime is 264893857. The reversal of 264893845 is 548398462.

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 156775441 + 108118404 = 12521^2 + 10398^2 .

It is a cyclic number.

It is not a de Polignac number, because 264893845 - 2¹ = 264893843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264893843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26489380 + ... + 26489389.

It is an arithmetic number, because the mean of its divisors is an integer number (79468155).

Almost surely, 2^264893845 is an apocalyptic number.

It is an amenable number.

264893845 is a deficient number, since it is larger than the sum of its proper divisors (52978775).

264893845 is an equidigital number, since it uses as much as digits as its factorization.

264893845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52978774.

The product of its digits is 1658880, while the sum is 49.

The square root of 264893845 is about 16275.5597445986. The cubic root of 264893845 is about 642.2300500594.

The spelling of 264893845 in words is "two hundred sixty-four million, eight hundred ninety-three thousand, eight hundred forty-five".