864796841 has 4 divisors (see below), whose sum is σ = 865039812. Its totient is φ = 864553872.

The previous prime is 864796811. The next prime is 864796847. The reversal of 864796841 is 148697468.

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 189888400 + 674908441 = 13780^2 + 25979^2 .

It is a cyclic number.

It is not a de Polignac number, because 864796841 - 2²⁶ = 797687977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864796847) 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, 116066 + ... + 123291.

It is an arithmetic number, because the mean of its divisors is an integer number (216259953).

Almost surely, 2^864796841 is an apocalyptic number.

It is an amenable number.

864796841 is a deficient number, since it is larger than the sum of its proper divisors (242971).

864796841 is a wasteful number, since it uses less digits than its factorization.

864796841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242970.

The product of its digits is 2322432, while the sum is 53.

The square root of 864796841 is about 29407.4283302706. The cubic root of 864796841 is about 952.7333435835.

The spelling of 864796841 in words is "eight hundred sixty-four million, seven hundred ninety-six thousand, eight hundred forty-one".