982434191 has 2 divisors, whose sum is σ = 982434192. Its totient is φ = 982434190.

The previous prime is 982434179. The next prime is 982434209. The reversal of 982434191 is 191434289.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 982434191 - 2¹⁰ = 982433167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (982434391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491217095 + 491217096.

It is an arithmetic number, because the mean of its divisors is an integer number (491217096).

Almost surely, 2^982434191 is an apocalyptic number.

982434191 is a deficient number, since it is larger than the sum of its proper divisors (1).

982434191 is an equidigital number, since it uses as much as digits as its factorization.

982434191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 982434191 is about 31343.8062621629. The cubic root of 982434191 is about 994.1101076094.

The spelling of 982434191 in words is "nine hundred eighty-two million, four hundred thirty-four thousand, one hundred ninety-one".