398332199 has 2 divisors, whose sum is σ = 398332200. Its totient is φ = 398332198.

The previous prime is 398332171. The next prime is 398332201. The reversal of 398332199 is 991233893.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 398332199 - 2⁸ = 398331943 is a prime.

Together with 398332201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398332799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199166099 + 199166100.

It is an arithmetic number, because the mean of its divisors is an integer number (199166100).

Almost surely, 2^398332199 is an apocalyptic number.

398332199 is a deficient number, since it is larger than the sum of its proper divisors (1).

398332199 is an equidigital number, since it uses as much as digits as its factorization.

398332199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 47.

The square root of 398332199 is about 19958.2614222782. The cubic root of 398332199 is about 735.7808346087.

The spelling of 398332199 in words is "three hundred ninety-eight million, three hundred thirty-two thousand, one hundred ninety-nine".