9828319842 has 160 divisors (see below), whose sum is σ = 25750859904. Its totient is φ = 2771366400.

The previous prime is 9828319793. The next prime is 9828319877. The reversal of 9828319842 is 2489138289.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1513242 + ... + 1519722.

Almost surely, 2^9828319842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9828319842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12875429952).

9828319842 is an abundant number, since it is smaller than the sum of its proper divisors (15922540062).

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

9828319842 is a wasteful number, since it uses less digits than its factorization.

9828319842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566 (or 6557 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 9828319842 is about 99137.8829812297. The cubic root of 9828319842 is about 2142.0343308294.

The spelling of 9828319842 in words is "nine billion, eight hundred twenty-eight million, three hundred nineteen thousand, eight hundred forty-two".