9213924 has 12 divisors (see below), whose sum is σ = 21499184. Its totient is φ = 3071304.

The previous prime is 9213923. The next prime is 9213937. The reversal of 9213924 is 4293129.

9213924 is digitally balanced in base 2 and base 4, because in such bases 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 (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9213891 and 9213900.

It is not an unprimeable number, because it can be changed into a prime (9213923) 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, 383902 + ... + 383925.

Almost surely, 2^9213924 is an apocalyptic number.

It is an amenable number.

9213924 is an abundant number, since it is smaller than the sum of its proper divisors (12285260).

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

9213924 is a wasteful number, since it uses less digits than its factorization.

9213924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767834 (or 767832 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 9213924 is about 3035.4446132321. Note that the first 3 decimals coincide. The cubic root of 9213924 is about 209.6435677065.

The spelling of 9213924 in words is "nine million, two hundred thirteen thousand, nine hundred twenty-four".