1942828866 has 48 divisors (see below), whose sum is σ = 4609725120. Its totient is φ = 586481760.

The previous prime is 1942828787. The next prime is 1942828879. The reversal of 1942828866 is 6688282491.

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 23 ways as a sum of consecutive naturals, for example, 33420 + ... + 70728.

It is an arithmetic number, because the mean of its divisors is an integer number (96035940).

Almost surely, 2^1942828866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1942828866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2304862560).

1942828866 is an abundant number, since it is smaller than the sum of its proper divisors (2666896254).

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

1942828866 is a wasteful number, since it uses less digits than its factorization.

1942828866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37591 (or 37588 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 1942828866 is about 44077.5324400085. The cubic root of 1942828866 is about 1247.7996203496.

The spelling of 1942828866 in words is "one billion, nine hundred forty-two million, eight hundred twenty-eight thousand, eight hundred sixty-six".