9828839061 has 36 divisors (see below), whose sum is σ = 15020665920. Its totient is φ = 6192402480.

The previous prime is 9828838997. The next prime is 9828839071. The reversal of 9828839061 is 1609388289.

It is a happy number.

It is not a de Polignac number, because 9828839061 - 2⁶ = 9828838997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9828838989 and 9828839007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9828839071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1396810 + ... + 1403828.

It is an arithmetic number, because the mean of its divisors is an integer number (417240720).

Almost surely, 2^9828839061 is an apocalyptic number.

It is an amenable number.

9828839061 is a deficient number, since it is larger than the sum of its proper divisors (5191826859).

9828839061 is a wasteful number, since it uses less digits than its factorization.

9828839061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494 (or 7472 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 9828839061 is about 99140.5016176537. The cubic root of 9828839061 is about 2142.0720505806.

The spelling of 9828839061 in words is "nine billion, eight hundred twenty-eight million, eight hundred thirty-nine thousand, sixty-one".