1928698968 has 128 divisors (see below), whose sum is σ = 5855846400. Its totient is φ = 517083264.

The previous prime is 1928698921. The next prime is 1928698973. The reversal of 1928698968 is 8698968291.

It is a junction number, because it is equal to n+sod(n) for n = 1928698899 and 1928698908.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 338721 + ... + 344367.

It is an arithmetic number, because the mean of its divisors is an integer number (45748800).

Almost surely, 2^1928698968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1928698968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927923200).

1928698968 is an abundant number, since it is smaller than the sum of its proper divisors (3927147432).

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

1928698968 is a wasteful number, since it uses less digits than its factorization.

1928698968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789 (or 5785 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 66.

The square root of 1928698968 is about 43916.9553589499. The cubic root of 1928698968 is about 1244.7672383043.

The spelling of 1928698968 in words is "one billion, nine hundred twenty-eight million, six hundred ninety-eight thousand, nine hundred sixty-eight".