9924428 has 6 divisors (see below), whose sum is σ = 17367756. Its totient is φ = 4962212.

The previous prime is 9924407. The next prime is 9924437. The reversal of 9924428 is 8244299.

It is a super-2 number, since 2×9924428² = 196988542254368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9924391 and 9924400.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240550 + ... + 1240557.

It is an arithmetic number, because the mean of its divisors is an integer number (2894626).

Almost surely, 2^9924428 is an apocalyptic number.

It is an amenable number.

9924428 is a deficient number, since it is larger than the sum of its proper divisors (7443328).

9924428 is a wasteful number, since it uses less digits than its factorization.

9924428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481111 (or 2481109 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 9924428 is about 3150.3060168815. The cubic root of 9924428 is about 214.8993796340.

The spelling of 9924428 in words is "nine million, nine hundred twenty-four thousand, four hundred twenty-eight".