2798388996 has 24 divisors (see below), whose sum is σ = 7031849664. Its totient is φ = 861042720.

The previous prime is 2798388991. The next prime is 2798389019. The reversal of 2798388996 is 6998838972.

It is a self number, because there is not a number n which added to its sum of digits gives 2798388996.

It is not an unprimeable number, because it can be changed into a prime (2798388991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8969040 + ... + 8969351.

It is an arithmetic number, because the mean of its divisors is an integer number (292993736).

Almost surely, 2^2798388996 is an apocalyptic number.

2798388996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2798388996 is an abundant number, since it is smaller than the sum of its proper divisors (4233460668).

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

2798388996 is a wasteful number, since it uses less digits than its factorization.

2798388996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17938411 (or 17938409 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 69.

The square root of 2798388996 is about 52899.8014741076. The cubic root of 2798388996 is about 1409.1893796383.

The spelling of 2798388996 in words is "two billion, seven hundred ninety-eight million, three hundred eighty-eight thousand, nine hundred ninety-six".