831893 has 2 divisors, whose sum is σ = 831894. Its totient is φ = 831892.

The previous prime is 831889. The next prime is 831899. The reversal of 831893 is 398138.

831893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 61009 = 878^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 831893 - 2² = 831889 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 831893.

It is not a weakly prime, because it can be changed into another prime (831899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415946 + 415947.

It is an arithmetic number, because the mean of its divisors is an integer number (415947).

2⁸³¹⁸⁹³ is an apocalyptic number.

It is an amenable number.

831893 is a deficient number, since it is larger than the sum of its proper divisors (1).

831893 is an equidigital number, since it uses as much as digits as its factorization.

831893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 831893 is about 912.0816849384. The cubic root of 831893 is about 94.0493553999.

The spelling of 831893 in words is "eight hundred thirty-one thousand, eight hundred ninety-three".