9722849 has 4 divisors (see below), whose sum is σ = 9734064. Its totient is φ = 9711636.

The previous prime is 9722837. The next prime is 9722879. The reversal of 9722849 is 9482279.

9722849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 9482279 = 23 ⋅412273.

It is a cyclic number.

It is not a de Polignac number, because 9722849 - 2⁴ = 9722833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9722819) 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, 4187 + ... + 6080.

It is an arithmetic number, because the mean of its divisors is an integer number (2433516).

Almost surely, 2^9722849 is an apocalyptic number.

It is an amenable number.

9722849 is a deficient number, since it is larger than the sum of its proper divisors (11215).

9722849 is a wasteful number, since it uses less digits than its factorization.

9722849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its digits is 72576, while the sum is 41.

The square root of 9722849 is about 3118.1483287361. The cubic root of 9722849 is about 213.4344472388.

The spelling of 9722849 in words is "nine million, seven hundred twenty-two thousand, eight hundred forty-nine".