79824 has 20 divisors (see below), whose sum is σ = 206336. Its totient is φ = 26592.

The previous prime is 79823. The next prime is 79829. The reversal of 79824 is 42897.

It is a junction number, because it is equal to n+sod(n) for n = 79791 and 79800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784 + ... + 879.

2⁷⁹⁸²⁴ is an apocalyptic number.

It is an amenable number.

79824 is an abundant number, since it is smaller than the sum of its proper divisors (126512).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103168).

79824 is a wasteful number, since it uses less digits than its factorization.

79824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1668 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 79824 is about 282.5314141826. The cubic root of 79824 is about 43.0570722247.

It can be divided in two parts, 79 and 824, that added together give a triangular number (903 = T₄₂).

The spelling of 79824 in words is "seventy-nine thousand, eight hundred twenty-four".