813832 has 16 divisors (see below), whose sum is σ = 1592640. Its totient is φ = 389136.

The previous prime is 813829. The next prime is 813833. The reversal of 813832 is 238318.

It is a junction number, because it is equal to n+sod(n) for n = 813797 and 813806.

It is not an unprimeable number, because it can be changed into a prime (813833) 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, 2028 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2⁸¹³⁸³² is an apocalyptic number.

It is an amenable number.

813832 is a deficient number, since it is larger than the sum of its proper divisors (778808).

813832 is a wasteful number, since it uses less digits than its factorization.

813832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452 (or 4448 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 813832 is about 902.1263769561. The cubic root of 813832 is about 93.3637429254.

The spelling of 813832 in words is "eight hundred thirteen thousand, eight hundred thirty-two".