2991434292 has 144 divisors (see below), whose sum is σ = 9657857664. Its totient is φ = 758016000.

The previous prime is 2991434279. The next prime is 2991434293. The reversal of 2991434292 is 2924341992.

2991434292 is a `hidden beast` number, since 299 + 14 + 342 + 9 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991434293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100492 + ... + 126812.

It is an arithmetic number, because the mean of its divisors is an integer number (67068456).

Almost surely, 2^2991434292 is an apocalyptic number.

2991434292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2991434292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828928832).

2991434292 is an abundant number, since it is smaller than the sum of its proper divisors (6666423372).

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

2991434292 is a wasteful number, since it uses less digits than its factorization.

2991434292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26390 (or 26385 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 2991434292 is about 54694.0059970012. The cubic root of 2991434292 is about 1440.8756075158.

The spelling of 2991434292 in words is "two billion, nine hundred ninety-one million, four hundred thirty-four thousand, two hundred ninety-two".