398376199 has 4 divisors (see below), whose sum is σ = 429020536. Its totient is φ = 367731864.

The previous prime is 398376191. The next prime is 398376217. The reversal of 398376199 is 991673893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991673893 = 7 ⋅141667699.

It is a cyclic number.

It is not a de Polignac number, because 398376199 - 2³ = 398376191 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 (398376191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15322149 + ... + 15322174.

It is an arithmetic number, because the mean of its divisors is an integer number (107255134).

Almost surely, 2^398376199 is an apocalyptic number.

398376199 is a deficient number, since it is larger than the sum of its proper divisors (30644337).

398376199 is a wasteful number, since it uses less digits than its factorization.

398376199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30644336.

The product of its digits is 2204496, while the sum is 55.

The square root of 398376199 is about 19959.3636922623. The cubic root of 398376199 is about 735.8079252003.

The spelling of 398376199 in words is "three hundred ninety-eight million, three hundred seventy-six thousand, one hundred ninety-nine".