1798631828 has 18 divisors (see below), whose sum is σ = 3661500906. Its totient is φ = 770842128.

The previous prime is 1798631803. The next prime is 1798631833. The reversal of 1798631828 is 8281368971.

It can be written as a sum of positive squares in only one way, i.e., 1358807044 + 439824784 = 36862^2 + 20972^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1798631828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4588151 + ... + 4588542.

It is an arithmetic number, because the mean of its divisors is an integer number (203416717).

Almost surely, 2^1798631828 is an apocalyptic number.

It is an amenable number.

1798631828 is an abundant number, since it is smaller than the sum of its proper divisors (1862869078).

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

1798631828 is a wasteful number, since it uses less digits than its factorization.

1798631828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9176711 (or 9176702 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 53.

The square root of 1798631828 is about 42410.2797444205. The cubic root of 1798631828 is about 1216.1321173466.

The spelling of 1798631828 in words is "one billion, seven hundred ninety-eight million, six hundred thirty-one thousand, eight hundred twenty-eight".