398033198 has 32 divisors (see below), whose sum is σ = 637152384. Its totient is φ = 186211872.

The previous prime is 398033197. The next prime is 398033203. The reversal of 398033198 is 891330893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398033197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212261 + ... + 214127.

It is an arithmetic number, because the mean of its divisors is an integer number (19911012).

Almost surely, 2^398033198 is an apocalyptic number.

398033198 is a deficient number, since it is larger than the sum of its proper divisors (239119186).

398033198 is a wasteful number, since it uses less digits than its factorization.

398033198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 398033198 is about 19950.7693585987. The cubic root of 398033198 is about 735.5966882480.

The spelling of 398033198 in words is "three hundred ninety-eight million, thirty-three thousand, one hundred ninety-eight".