9924947 has 4 divisors (see below), whose sum is σ = 9940800. Its totient is φ = 9909096.

The previous prime is 9924919. The next prime is 9924949. The reversal of 9924947 is 7494299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7494299 = 569 ⋅13171.

It is a cyclic number.

It is not a de Polignac number, because 9924947 - 2¹⁰ = 9923923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9924898 and 9924907.

It is not an unprimeable number, because it can be changed into a prime (9924949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6947 + ... + 8252.

It is an arithmetic number, because the mean of its divisors is an integer number (2485200).

Almost surely, 2^9924947 is an apocalyptic number.

9924947 is a deficient number, since it is larger than the sum of its proper divisors (15853).

9924947 is a wasteful number, since it uses less digits than its factorization.

9924947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15852.

The product of its digits is 163296, while the sum is 44.

The square root of 9924947 is about 3150.3883887546. The cubic root of 9924947 is about 214.9031256378.

It can be divided in two parts, 99 and 24947, that multiplied together give a triangular number (2469753 = T₂₂₂₂).

The spelling of 9924947 in words is "nine million, nine hundred twenty-four thousand, nine hundred forty-seven".