9839081072 has 40 divisors (see below), whose sum is σ = 19697251200. Its totient is φ = 4756227840.

The previous prime is 9839081069. The next prime is 9839081081. The reversal of 9839081072 is 2701809389.

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, 533054 + ... + 551202.

It is an arithmetic number, because the mean of its divisors is an integer number (492431280).

Almost surely, 2^9839081072 is an apocalyptic number.

It is an amenable number.

9839081072 is an abundant number, since it is smaller than the sum of its proper divisors (9858170128).

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

9839081072 is a wasteful number, since it uses less digits than its factorization.

9839081072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281 (or 19275 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9839081072 is about 99192.1421887843. The cubic root of 9839081072 is about 2142.8158315202.

The spelling of 9839081072 in words is "nine billion, eight hundred thirty-nine million, eighty-one thousand, seventy-two".