2798741236 has 12 divisors (see below), whose sum is σ = 4898389860. Its totient is φ = 1399201280.

The previous prime is 2798741227. The next prime is 2798741273. The reversal of 2798741236 is 6321478972.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1608491236 + 1190250000 = 40106^2 + 34500^2 .

Its product of digits (1016064) is a multiple of the sum of its prime divisors (84672).

It is a self number, because there is not a number n which added to its sum of digits gives 2798741236.

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 3 ways as a sum of consecutive naturals, for example, 571 + ... + 74818.

It is an arithmetic number, because the mean of its divisors is an integer number (408199155).

Almost surely, 2^2798741236 is an apocalyptic number.

It is an amenable number.

2798741236 is a deficient number, since it is larger than the sum of its proper divisors (2099648624).

2798741236 is a wasteful number, since it uses less digits than its factorization.

2798741236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84674 (or 84672 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 2798741236 is about 52903.1306824086. The cubic root of 2798741236 is about 1409.2485031844.

The spelling of 2798741236 in words is "two billion, seven hundred ninety-eight million, seven hundred forty-one thousand, two hundred thirty-six".