2961838720 has 32 divisors (see below), whose sum is σ = 7080647220. Its totient is φ = 1184735232.

The previous prime is 2961838669. The next prime is 2961838721. The reversal of 2961838720 is 278381692.

It can be written as a sum of positive squares in 2 ways, for example, as 2524861504 + 436977216 = 50248^2 + 20904^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2961838721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313297 + ... + 2314576.

Almost surely, 2^2961838720 is an apocalyptic number.

2961838720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2961838720 is an abundant number, since it is smaller than the sum of its proper divisors (4118808500).

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

2961838720 is an equidigital number, since it uses as much as digits as its factorization.

2961838720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627892 (or 4627880 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 2961838720 is about 54422.7775843902. Note that the first 3 decimals coincide. The cubic root of 2961838720 is about 1436.1081122712.

The spelling of 2961838720 in words is "two billion, nine hundred sixty-one million, eight hundred thirty-eight thousand, seven hundred twenty".