398199 has 16 divisors (see below), whose sum is σ = 576000. Its totient is φ = 243936.

The previous prime is 398171. The next prime is 398207. The reversal of 398199 is 991893.

It is not a de Polignac number, because 398199 - 2⁹ = 397687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1902 + ... + 2100.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2³⁹⁸¹⁹⁹ is an apocalyptic number.

398199 is a deficient number, since it is larger than the sum of its proper divisors (177801).

398199 is a wasteful number, since it uses less digits than its factorization.

398199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its digits is 17496, while the sum is 39.

The square root of 398199 is about 631.0301102166. The cubic root of 398199 is about 73.5698812453.

The spelling of 398199 in words is "three hundred ninety-eight thousand, one hundred ninety-nine".