9832086221 has 16 divisors (see below), whose sum is σ = 10732402800. Its totient is φ = 8970424320.

The previous prime is 9832086197. The next prime is 9832086223. The reversal of 9832086221 is 1226802389.

9832086221 = 70114² + 70115².

It can be written as a sum of positive squares in 8 ways, for example, as 440538121 + 9391548100 = 20989^2 + 96910^2 .

It is a cyclic number.

It is not a de Polignac number, because 9832086221 - 2⁶ = 9832086157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9832086223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64505 + ... + 154353.

It is an arithmetic number, because the mean of its divisors is an integer number (670775175).

Almost surely, 2^9832086221 is an apocalyptic number.

9832086221 is the 70115-th centered square number.

It is an amenable number.

9832086221 is a deficient number, since it is larger than the sum of its proper divisors (900316579).

9832086221 is a wasteful number, since it uses less digits than its factorization.

9832086221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90064.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 9832086221 is about 99156.8768215296. The cubic root of 9832086221 is about 2142.3079171903.

The spelling of 9832086221 in words is "nine billion, eight hundred thirty-two million, eighty-six thousand, two hundred twenty-one".