9972424 has 32 divisors (see below), whose sum is σ = 23313600. Its totient is φ = 3885120.

The previous prime is 9972401. The next prime is 9972439. The reversal of 9972424 is 4242799.

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, 7479 + ... + 8710.

It is an arithmetic number, because the mean of its divisors is an integer number (728550).

Almost surely, 2^9972424 is an apocalyptic number.

It is an amenable number.

9972424 is an abundant number, since it is smaller than the sum of its proper divisors (13341176).

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

9972424 is a wasteful number, since it uses less digits than its factorization.

9972424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16213 (or 16209 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 9972424 is about 3157.9145016925. The cubic root of 9972424 is about 215.2452510527.

The spelling of 9972424 in words is "nine million, nine hundred seventy-two thousand, four hundred twenty-four".