831936 has 56 divisors (see below), whose sum is σ = 2519680. Its totient is φ = 237312.

The previous prime is 831917. The next prime is 831967. The reversal of 831936 is 639138.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

831936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 1653.

2⁸³¹⁹³⁶ 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 831936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259840).

831936 is an abundant number, since it is smaller than the sum of its proper divisors (1687744).

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

831936 is a wasteful number, since it uses less digits than its factorization.

831936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 631 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 831936 is about 912.1052570839. The cubic root of 831936 is about 94.0509758217.

The spelling of 831936 in words is "eight hundred thirty-one thousand, nine hundred thirty-six".