9623993398 has 16 divisors (see below), whose sum is σ = 14638024656. Its totient is φ = 4744690560.

The previous prime is 9623993371. The next prime is 9623993417. The reversal of 9623993398 is 8933993269.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640965 + ... + 655807.

It is an arithmetic number, because the mean of its divisors is an integer number (914876541).

Almost surely, 2^9623993398 is an apocalyptic number.

9623993398 is a deficient number, since it is larger than the sum of its proper divisors (5014031258).

9623993398 is a wasteful number, since it uses less digits than its factorization.

9623993398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19359.

The product of its digits is 17006112, while the sum is 61.

The square root of 9623993398 is about 98101.9540987844. The cubic root of 9623993398 is about 2127.0862757231.

The spelling of 9623993398 in words is "nine billion, six hundred twenty-three million, nine hundred ninety-three thousand, three hundred ninety-eight".