1798484818 has 24 divisors (see below), whose sum is σ = 2938188708. Its totient is φ = 825244992.

The previous prime is 1798484801. The next prime is 1798484833. The reversal of 1798484818 is 8184848971.

It can be written as a sum of positive squares in 6 ways, for example, as 559937569 + 1238547249 = 23663^2 + 35193^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43096 + ... + 73852.

Almost surely, 2^1798484818 is an apocalyptic number.

1798484818 is a deficient number, since it is larger than the sum of its proper divisors (1139703890).

1798484818 is a wasteful number, since it uses less digits than its factorization.

1798484818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30958 (or 30945 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 58.

The square root of 1798484818 is about 42408.5465207191. The cubic root of 1798484818 is about 1216.0989831886.

The spelling of 1798484818 in words is "one billion, seven hundred ninety-eight million, four hundred eighty-four thousand, eight hundred eighteen".