9623820090 has 32 divisors (see below), whose sum is σ = 23356693440. Its totient is φ = 2537515904.

The previous prime is 9623820007. The next prime is 9623820091. The reversal of 9623820090 is 900283269.

It is not an unprimeable number, because it can be changed into a prime (9623820091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799544 + ... + 1804883.

It is an arithmetic number, because the mean of its divisors is an integer number (729896670).

Almost surely, 2^9623820090 is an apocalyptic number.

9623820090 is an abundant number, since it is smaller than the sum of its proper divisors (13732873350).

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

9623820090 is a wasteful number, since it uses less digits than its factorization.

9623820090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604526.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 9623820090 is about 98101.0707892630. The cubic root of 9623820090 is about 2127.0735075209.

The spelling of 9623820090 in words is "nine billion, six hundred twenty-three million, eight hundred twenty thousand, ninety".