398203199 has 4 divisors (see below), whose sum is σ = 398918664. Its totient is φ = 397487736.

The previous prime is 398203123. The next prime is 398203219. The reversal of 398203199 is 991302893.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 398203199 - 2¹² = 398199103 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 (398203109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356897 + ... + 358010.

It is an arithmetic number, because the mean of its divisors is an integer number (99729666).

Almost surely, 2^398203199 is an apocalyptic number.

398203199 is a deficient number, since it is larger than the sum of its proper divisors (715465).

398203199 is an equidigital number, since it uses as much as digits as its factorization.

398203199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715464.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 398203199 is about 19955.0294161647. The cubic root of 398203199 is about 735.7013984196.

The spelling of 398203199 in words is "three hundred ninety-eight million, two hundred three thousand, one hundred ninety-nine".