9216424 has 32 divisors (see below), whose sum is σ = 20390400. Its totient is φ = 3821760.

The previous prime is 9216419. The next prime is 9216433. The reversal of 9216424 is 4246129.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9216392 and 9216401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 4390.

It is an arithmetic number, because the mean of its divisors is an integer number (637200).

Almost surely, 2^9216424 is an apocalyptic number.

It is an amenable number.

9216424 is an abundant number, since it is smaller than the sum of its proper divisors (11173976).

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

9216424 is a wasteful number, since it uses less digits than its factorization.

9216424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353 (or 5349 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 9216424 is about 3035.8563865901. The cubic root of 9216424 is about 209.6625267488.

The spelling of 9216424 in words is "nine million, two hundred sixteen thousand, four hundred twenty-four".