824430 has 16 divisors (see below), whose sum is σ = 1978704. Its totient is φ = 219840.

The previous prime is 824419. The next prime is 824437. The reversal of 824430 is 34428.

It is a happy number.

824430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 824397 and 824406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (824437) by changing a digit.

824430 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 7 ways as a sum of consecutive naturals, for example, 13711 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (123669).

2⁸²⁴⁴³⁰ is an apocalyptic number.

824430 is an abundant number, since it is smaller than the sum of its proper divisors (1154274).

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

824430 is a wasteful number, since it uses less digits than its factorization.

824430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27491.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 824430 is about 907.9812773400. The cubic root of 824430 is about 93.7672679303.

Adding to 824430 its reverse (34428), we get a palindrome (858858).

The spelling of 824430 in words is "eight hundred twenty-four thousand, four hundred thirty".