9912424 has 16 divisors (see below), whose sum is σ = 18624420. Its totient is φ = 4945920.

The previous prime is 9912421. The next prime is 9912481. The reversal of 9912424 is 4242199.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8892324 + 1020100 = 2982^2 + 1010^2 .

It is a super-2 number, since 2×9912424² = 196512299111552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9912421) 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, 4162 + ... + 6094.

Almost surely, 2^9912424 is an apocalyptic number.

It is an amenable number.

9912424 is a deficient number, since it is larger than the sum of its proper divisors (8711996).

9912424 is a wasteful number, since it uses less digits than its factorization.

9912424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2576 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 9912424 is about 3148.4002286876. The cubic root of 9912424 is about 214.8127014927.

The spelling of 9912424 in words is "nine million, nine hundred twelve thousand, four hundred twenty-four".