1836227828 has 12 divisors (see below), whose sum is σ = 3220433412. Its totient is φ = 916104000.

The previous prime is 1836227821. The next prime is 1836227831. The reversal of 1836227828 is 8287226381.

It can be written as a sum of positive squares in 2 ways, for example, as 1734056164 + 102171664 = 41642^2 + 10108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836227821) 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, 500423 + ... + 504078.

It is an arithmetic number, because the mean of its divisors is an integer number (268369451).

Almost surely, 2^1836227828 is an apocalyptic number.

It is an amenable number.

1836227828 is a deficient number, since it is larger than the sum of its proper divisors (1384205584).

1836227828 is a wasteful number, since it uses less digits than its factorization.

1836227828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004962 (or 1004960 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 1836227828 is about 42851.2290138801. The cubic root of 1836227828 is about 1224.5471774628.

The spelling of 1836227828 in words is "one billion, eight hundred thirty-six million, two hundred twenty-seven thousand, eight hundred twenty-eight".