9938598361 has 8 divisors (see below), whose sum is σ = 10539153864. Its totient is φ = 9339813120.

The previous prime is 9938598349. The next prime is 9938598377. The reversal of 9938598361 is 1638958399.

9938598361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4358508361 + 5580090000 = 66019^2 + 74700^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9938598361 - 2¹¹ = 9938596313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9938598361.

It is not an unprimeable number, because it can be changed into a prime (9938598391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430990 + ... + 453463.

It is an arithmetic number, because the mean of its divisors is an integer number (1317394233).

Almost surely, 2^9938598361 is an apocalyptic number.

It is an amenable number.

9938598361 is a deficient number, since it is larger than the sum of its proper divisors (600555503).

9938598361 is a wasteful number, since it uses less digits than its factorization.

9938598361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885131.

The product of its digits is 12597120, while the sum is 61.

The square root of 9938598361 is about 99692.5190824266. The cubic root of 9938598361 is about 2150.0161066758.

The spelling of 9938598361 in words is "nine billion, nine hundred thirty-eight million, five hundred ninety-eight thousand, three hundred sixty-one".