2991435936 has 96 divisors (see below), whose sum is σ = 8333176320. Its totient is φ = 937584384.

The previous prime is 2991435919. The next prime is 2991435961. The reversal of 2991435936 is 6395341992.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118791 + ... + 141753.

It is an arithmetic number, because the mean of its divisors is an integer number (86803920).

Almost surely, 2^2991435936 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 2991435936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4166588160).

2991435936 is an abundant number, since it is smaller than the sum of its proper divisors (5341740384).

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

2991435936 is a wasteful number, since it uses less digits than its factorization.

2991435936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23058 (or 23050 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 51.

The square root of 2991435936 is about 54694.0210260683. The cubic root of 2991435936 is about 1440.8758714693.

The spelling of 2991435936 in words is "two billion, nine hundred ninety-one million, four hundred thirty-five thousand, nine hundred thirty-six".