8219424 has 24 divisors (see below), whose sum is σ = 21576240. Its totient is φ = 2739776.

The previous prime is 8219423. The next prime is 8219429. The reversal of 8219424 is 4249128.

8219424 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 8219391 and 8219400.

It is not an unprimeable number, because it can be changed into a prime (8219423) 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, 42714 + ... + 42905.

It is an arithmetic number, because the mean of its divisors is an integer number (899010).

Almost surely, 2^8219424 is an apocalyptic number.

It is an amenable number.

8219424 is an abundant number, since it is smaller than the sum of its proper divisors (13356816).

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

8219424 is a wasteful number, since it uses less digits than its factorization.

8219424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85632 (or 85624 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 8219424 is about 2866.9537840712. The cubic root of 8219424 is about 201.8120658365.

The spelling of 8219424 in words is "eight million, two hundred nineteen thousand, four hundred twenty-four".