382198891 has 2 divisors, whose sum is σ = 382198892. Its totient is φ = 382198890.

The previous prime is 382198853. The next prime is 382198897. The reversal of 382198891 is 198891283.

It is a strong prime.

It is an emirp because it is prime and its reverse (198891283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382198891 - 2⁹ = 382198379 is a prime.

It is not a weakly prime, because it can be changed into another prime (382198897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191099445 + 191099446.

It is an arithmetic number, because the mean of its divisors is an integer number (191099446).

Almost surely, 2^382198891 is an apocalyptic number.

382198891 is a deficient number, since it is larger than the sum of its proper divisors (1).

382198891 is an equidigital number, since it uses as much as digits as its factorization.

382198891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 49.

The square root of 382198891 is about 19549.9076979918. The cubic root of 382198891 is about 725.7100556813.

The spelling of 382198891 in words is "three hundred eighty-two million, one hundred ninety-eight thousand, eight hundred ninety-one".