844314864 has 20 divisors (see below), whose sum is σ = 2181146856. Its totient is φ = 281438272.

The previous prime is 844314833. The next prime is 844314871. The reversal of 844314864 is 468413448.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8794899 + ... + 8794994.

Almost surely, 2^844314864 is an apocalyptic number.

It is an amenable number.

844314864 is an abundant number, since it is smaller than the sum of its proper divisors (1336831992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

844314864 is a wasteful number, since it uses less digits than its factorization.

844314864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17589904 (or 17589898 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 844314864 is about 29057.0966202751. The cubic root of 844314864 is about 945.1516097282.

The spelling of 844314864 in words is "eight hundred forty-four million, three hundred fourteen thousand, eight hundred sixty-four".