811338 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 232560.

The previous prime is 811337. The next prime is 811351. The reversal of 811338 is 833118.

It is not an unprimeable number, because it can be changed into a prime (811337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁸¹¹³³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 811338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933120).

811338 is an abundant number, since it is smaller than the sum of its proper divisors (1054902).

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

811338 is a wasteful number, since it uses less digits than its factorization.

811338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its digits is 576, while the sum is 24.

The square root of 811338 is about 900.7430266175. The cubic root of 811338 is about 93.2682738207.

The spelling of 811338 in words is "eight hundred eleven thousand, three hundred thirty-eight".