831974364 has 144 divisors (see below), whose sum is σ = 2329198144. Its totient is φ = 248832000.

The previous prime is 831974347. The next prime is 831974369. The reversal of 831974364 is 463479138.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831974369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4310652 + ... + 4310844.

Almost surely, 2^831974364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 831974364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164599072).

831974364 is an abundant number, since it is smaller than the sum of its proper divisors (1497223780).

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

831974364 is a wasteful number, since it uses less digits than its factorization.

831974364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 423 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 831974364 is about 28843.9658160940. The cubic root of 831974364 is about 940.5242149224.

The spelling of 831974364 in words is "eight hundred thirty-one million, nine hundred seventy-four thousand, three hundred sixty-four".