9724245 has 8 divisors (see below), whose sum is σ = 15558816. Its totient is φ = 5186256.

The previous prime is 9724241. The next prime is 9724259. The reversal of 9724245 is 5424279.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9724245 - 2² = 9724241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9724241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324127 + ... + 324156.

It is an arithmetic number, because the mean of its divisors is an integer number (1944852).

Almost surely, 2^9724245 is an apocalyptic number.

It is an amenable number.

9724245 is a deficient number, since it is larger than the sum of its proper divisors (5834571).

9724245 is a wasteful number, since it uses less digits than its factorization.

9724245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648291.

The product of its digits is 20160, while the sum is 33.

The square root of 9724245 is about 3118.3721715023. The cubic root of 9724245 is about 213.4446616738. Note that the first 3 decimals are identical.

It can be divided in two parts, 97 and 24245, that added together give a palindrome (24342).

The spelling of 9724245 in words is "nine million, seven hundred twenty-four thousand, two hundred forty-five".