9839872364 has 12 divisors (see below), whose sum is σ = 19679744784. Its totient is φ = 4217088144.

The previous prime is 9839872309. The next prime is 9839872369. The reversal of 9839872364 is 4632789389.

9839872364 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9839872369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175711979 + ... + 175712034.

It is an arithmetic number, because the mean of its divisors is an integer number (1639978732).

Almost surely, 2^9839872364 is an apocalyptic number.

It is an amenable number.

9839872364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9839872364 is a wasteful number, since it uses less digits than its factorization.

9839872364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351424024 (or 351424022 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The square root of 9839872364 is about 99196.1307914780. The cubic root of 9839872364 is about 2142.8732741330.

The spelling of 9839872364 in words is "nine billion, eight hundred thirty-nine million, eight hundred seventy-two thousand, three hundred sixty-four".