982320191 has 4 divisors (see below), whose sum is σ = 982384032. Its totient is φ = 982256352.

The previous prime is 982320173. The next prime is 982320203. The reversal of 982320191 is 191023289.

982320191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 191023289 = 53 ⋅3604213.

It is a cyclic number.

It is not a de Polignac number, because 982320191 - 2⁶ = 982320127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982329191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890 + ... + 44856.

It is an arithmetic number, because the mean of its divisors is an integer number (245596008).

Almost surely, 2^982320191 is an apocalyptic number.

982320191 is a deficient number, since it is larger than the sum of its proper divisors (63841).

982320191 is a wasteful number, since it uses less digits than its factorization.

982320191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63840.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 982320191 is about 31341.9876683021. The cubic root of 982320191 is about 994.0716545041.

The spelling of 982320191 in words is "nine hundred eighty-two million, three hundred twenty thousand, one hundred ninety-one".