811232 has 24 divisors (see below), whose sum is σ = 1619352. Its totient is φ = 400000.

The previous prime is 811231. The next prime is 811241. The reversal of 811232 is 232118.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 811232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3107 + ... + 3357.

It is an arithmetic number, because the mean of its divisors is an integer number (67473).

2⁸¹¹²³² is an apocalyptic number.

It is an amenable number.

811232 is a deficient number, since it is larger than the sum of its proper divisors (808120).

811232 is a wasteful number, since it uses less digits than its factorization.

811232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 354 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 811232 is about 900.6841843843. The cubic root of 811232 is about 93.2642118607.

The spelling of 811232 in words is "eight hundred eleven thousand, two hundred thirty-two".