8424396 has 36 divisors (see below), whose sum is σ = 21405384. Its totient is φ = 2793600.

The previous prime is 8424389. The next prime is 8424397. The reversal of 8424396 is 6934248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 8⁵ + 4 + 2²³ + 4³ + 3⁷ + 9³ + 6² .

It is a self number, because there is not a number n which added to its sum of digits gives 8424396.

It is not an unprimeable number, because it can be changed into a prime (8424397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8191 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (594594).

Almost surely, 2^8424396 is an apocalyptic number.

It is an amenable number.

8424396 is an abundant number, since it is smaller than the sum of its proper divisors (12980988).

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

8424396 is a wasteful number, since it uses less digits than its factorization.

8424396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1217 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 8424396 is about 2902.4810076898. The cubic root of 8424396 is about 203.4758748493.

The spelling of 8424396 in words is "eight million, four hundred twenty-four thousand, three hundred ninety-six".