9924397 has 4 divisors (see below), whose sum is σ = 11342176. Its totient is φ = 8506620.

The previous prime is 9924391. The next prime is 9924407. The reversal of 9924397 is 7934299.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7934299 = 173 ⋅45863.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9924397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9924391) 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, 708879 + ... + 708892.

It is an arithmetic number, because the mean of its divisors is an integer number (2835544).

Almost surely, 2^9924397 is an apocalyptic number.

It is an amenable number.

9924397 is a deficient number, since it is larger than the sum of its proper divisors (1417779).

9924397 is a wasteful number, since it uses less digits than its factorization.

9924397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417778.

The product of its digits is 122472, while the sum is 43.

The square root of 9924397 is about 3150.3010967208. The cubic root of 9924397 is about 214.8991558801.

The spelling of 9924397 in words is "nine million, nine hundred twenty-four thousand, three hundred ninety-seven".