9848721 has 4 divisors (see below), whose sum is σ = 13131632. Its totient is φ = 6565812.

The previous prime is 9848659. The next prime is 9848737. The reversal of 9848721 is 1278489.

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: 1278489 = 3 ⋅426163.

It is not a de Polignac number, because 9848721 - 2¹¹ = 9846673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9848721.

It is not an unprimeable number, because it can be changed into a prime (9848791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1641451 + ... + 1641456.

It is an arithmetic number, because the mean of its divisors is an integer number (3282908).

Almost surely, 2^9848721 is an apocalyptic number.

It is an amenable number.

9848721 is a deficient number, since it is larger than the sum of its proper divisors (3282911).

9848721 is a wasteful number, since it uses less digits than its factorization.

9848721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282910.

The product of its digits is 32256, while the sum is 39.

The square root of 9848721 is about 3138.2671970372. The cubic root of 9848721 is about 214.3515417443.

The spelling of 9848721 in words is "nine million, eight hundred forty-eight thousand, seven hundred twenty-one".