2847808340 has 96 divisors (see below), whose sum is σ = 6626430720. Its totient is φ = 1021363200.

The previous prime is 2847808321. The next prime is 2847808361. The reversal of 2847808340 is 438087482.

It is a super-2 number, since 2×2847808340² = 16220024682747111200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2847808291 and 2847808300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3314831 + ... + 3315689.

It is an arithmetic number, because the mean of its divisors is an integer number (69025320).

Almost surely, 2^2847808340 is an apocalyptic number.

2847808340 is a gapful number since it is divisible by the number (20) 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 2847808340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313215360).

2847808340 is an abundant number, since it is smaller than the sum of its proper divisors (3778622380).

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

2847808340 is a wasteful number, since it uses less digits than its factorization.

2847808340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 2847808340 is about 53364.8605357496. The cubic root of 2847808340 is about 1417.4364147753.

The spelling of 2847808340 in words is "two billion, eight hundred forty-seven million, eight hundred eight thousand, three hundred forty".