2808346420 has 96 divisors (see below), whose sum is σ = 6662476800. Its totient is φ = 985113600.

The previous prime is 2808346379. The next prime is 2808346441. The reversal of 2808346420 is 246438082.

It is a super-2 number, since 2×2808346420² = 15773619229453632800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2808346420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3470976 + ... + 3471784.

It is an arithmetic number, because the mean of its divisors is an integer number (69400800).

Almost surely, 2^2808346420 is an apocalyptic number.

2808346420 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 2808346420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3331238400).

2808346420 is an abundant number, since it is smaller than the sum of its proper divisors (3854130380).

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

2808346420 is a wasteful number, since it uses less digits than its factorization.

2808346420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 2808346420 is about 52993.8337922442. The cubic root of 2808346420 is about 1410.8588265832.

The spelling of 2808346420 in words is "two billion, eight hundred eight million, three hundred forty-six thousand, four hundred twenty".