8399938950 has 384 divisors, whose sum is σ = 26648294400. Its totient is φ = 1952553600.

The previous prime is 8399938927. The next prime is 8399939027. The reversal of 8399938950 is 598399938.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27009295 + ... + 27009605.

It is an arithmetic number, because the mean of its divisors is an integer number (69396600).

Almost surely, 2^8399938950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8399938950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13324147200).

8399938950 is an abundant number, since it is smaller than the sum of its proper divisors (18248355450).

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

8399938950 is a wasteful number, since it uses less digits than its factorization.

8399938950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The square root of 8399938950 is about 91651.1808434567. The cubic root of 8399938950 is about 2032.7877889354.

The spelling of 8399938950 in words is "eight billion, three hundred ninety-nine million, nine hundred thirty-eight thousand, nine hundred fifty".