1117844828 has 18 divisors (see below), whose sum is σ = 2005117128. Its totient is φ = 545286880.

The previous prime is 1117844807. The next prime is 1117844831. The reversal of 1117844828 is 8284487111.

It is a happy number.

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, 76400 + ... + 89847.

It is an arithmetic number, because the mean of its divisors is an integer number (111395396).

Almost surely, 2^1117844828 is an apocalyptic number.

It is an amenable number.

1117844828 is a deficient number, since it is larger than the sum of its proper divisors (887272300).

1117844828 is a wasteful number, since it uses less digits than its factorization.

1117844828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166333 (or 166290 counting only the distinct ones).

The product of its digits is 114688, while the sum is 44.

The square root of 1117844828 is about 33434.1865161993. The cubic root of 1117844828 is about 1037.8322784932.

The spelling of 1117844828 in words is "one billion, one hundred seventeen million, eight hundred forty-four thousand, eight hundred twenty-eight".