971322844 has 12 divisors (see below), whose sum is σ = 1773720144. Its totient is φ = 464545664.

The previous prime is 971322817. The next prime is 971322887. The reversal of 971322844 is 448223179.

It is a junction number, because it is equal to n+sod(n) for n = 971322797 and 971322806.

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, 5278837 + ... + 5279020.

It is an arithmetic number, because the mean of its divisors is an integer number (147810012).

Almost surely, 2^971322844 is an apocalyptic number.

It is an amenable number.

971322844 is a deficient number, since it is larger than the sum of its proper divisors (802397300).

971322844 is a wasteful number, since it uses less digits than its factorization.

971322844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557884 (or 10557882 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 971322844 is about 31166.0527497468. The cubic root of 971322844 is about 990.3480883231.

The spelling of 971322844 in words is "nine hundred seventy-one million, three hundred twenty-two thousand, eight hundred forty-four".