811230 has 32 divisors (see below), whose sum is σ = 2225664. Its totient is φ = 185376.

The previous prime is 811207. The next prime is 811231. The reversal of 811230 is 32118.

It is a happy number.

811230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×811230² = 1316188225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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

811230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1722 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (69552).

2⁸¹¹²³⁰ is an apocalyptic number.

811230 is an abundant number, since it is smaller than the sum of its proper divisors (1414434).

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

811230 is a wasteful number, since it uses less digits than its factorization.

811230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 811230 is about 900.6830741165. The cubic root of 811230 is about 93.2641352166.

Adding to 811230 its reverse (32118), we get a palindrome (843348).

The spelling of 811230 in words is "eight hundred eleven thousand, two hundred thirty".