9724495338 has 80 divisors (see below), whose sum is σ = 22704447744. Its totient is φ = 3107445120.

The previous prime is 9724495331. The next prime is 9724495349. The reversal of 9724495338 is 8335944279.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (9724495331) 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 39 ways as a sum of consecutive naturals, for example, 528306 + ... + 546402.

Almost surely, 2^9724495338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9724495338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11352223872).

9724495338 is an abundant number, since it is smaller than the sum of its proper divisors (12979952406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9724495338 is a wasteful number, since it uses less digits than its factorization.

9724495338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18249 (or 18240 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 9724495338 is about 98612.8558454728. The cubic root of 9724495338 is about 2134.4649327623.

The spelling of 9724495338 in words is "nine billion, seven hundred twenty-four million, four hundred ninety-five thousand, three hundred thirty-eight".