811344 has 20 divisors (see below), whose sum is σ = 2096096. Its totient is φ = 270432.

The previous prime is 811337. The next prime is 811351. The reversal of 811344 is 443118.

It is an interprime number because it is at equal distance from previous prime (811337) and next prime (811351).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 811344.

It is a congruent number.

It is an unprimeable number.

811344 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 8404 + ... + 8499.

2⁸¹¹³⁴⁴ is an apocalyptic number.

It is an amenable number.

811344 is an abundant number, since it is smaller than the sum of its proper divisors (1284752).

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

811344 is a wasteful number, since it uses less digits than its factorization.

811344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16914 (or 16908 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 811344 is about 900.7463571950. The cubic root of 811344 is about 93.2685037324.

The spelling of 811344 in words is "eight hundred eleven thousand, three hundred forty-four".