814436 has 48 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 311808.

The previous prime is 814423. The next prime is 814447. The reversal of 814436 is 634418.

814436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 814436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13775 + ... + 13833.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁸¹⁴⁴³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 814436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

814436 is an abundant number, since it is smaller than the sum of its proper divisors (999964).

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

814436 is a wasteful number, since it uses less digits than its factorization.

814436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 114 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 814436 is about 902.4610794932. The cubic root of 814436 is about 93.3868344053.

The spelling of 814436 in words is "eight hundred fourteen thousand, four hundred thirty-six".