831673 has 4 divisors (see below), whose sum is σ = 833508. Its totient is φ = 829840.

The previous prime is 831661. The next prime is 831679. The reversal of 831673 is 376138.

831673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71289 + 760384 = 267^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 831673 - 2⁹ = 831161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (831679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (208377).

2⁸³¹⁶⁷³ is an apocalyptic number.

It is an amenable number.

831673 is a deficient number, since it is larger than the sum of its proper divisors (1835).

831673 is a wasteful number, since it uses less digits than its factorization.

831673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

The product of its digits is 3024, while the sum is 28.

The square root of 831673 is about 911.9610737307. The cubic root of 831673 is about 94.0410639961.

Subtracting from 831673 its reverse (376138), we obtain a triangular number (455535 = T₉₅₄).

The spelling of 831673 in words is "eight hundred thirty-one thousand, six hundred seventy-three".