9838259340 has 384 divisors, whose sum is σ = 34904432640. Its totient is φ = 2015539200.

The previous prime is 9838259317. The next prime is 9838259351. The reversal of 9838259340 is 439528389.

9838259340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 36303405 + ... + 36303675.

It is an arithmetic number, because the mean of its divisors is an integer number (90896960).

Almost surely, 2^9838259340 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 9838259340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17452216320).

9838259340 is an abundant number, since it is smaller than the sum of its proper divisors (25066173300).

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

9838259340 is a wasteful number, since it uses less digits than its factorization.

9838259340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 9838259340 is about 99187.9999798363. Note that the first 4 decimals coincide. The cubic root of 9838259340 is about 2142.7561759030.

The spelling of 9838259340 in words is "nine billion, eight hundred thirty-eight million, two hundred fifty-nine thousand, three hundred forty".