9233705988 has 72 divisors (see below), whose sum is σ = 25264046808. Its totient is φ = 2826690048.

The previous prime is 9233705939. The next prime is 9233706029. The reversal of 9233705988 is 8895073329.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4227860484 + 5005845504 = 65022^2 + 70752^2 .

It is a super-2 number, since 2×9233705988² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42120 + ... + 142272.

It is an arithmetic number, because the mean of its divisors is an integer number (350889539).

Almost surely, 2^9233705988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9233705988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12632023404).

9233705988 is an abundant number, since it is smaller than the sum of its proper divisors (16030340820).

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

9233705988 is a wasteful number, since it uses less digits than its factorization.

9233705988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100373 (or 100368 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 9233705988 is about 96092.1744368395. The cubic root of 9233705988 is about 2097.9349304898.

The spelling of 9233705988 in words is "nine billion, two hundred thirty-three million, seven hundred five thousand, nine hundred eighty-eight".