4198398 has 8 divisors (see below), whose sum is σ = 8396808. Its totient is φ = 1399464.

The previous prime is 4198379. The next prime is 4198409. The reversal of 4198398 is 8938914.

It is a sphenic number, since it is the product of 3 distinct primes.

4198398 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349861 + ... + 349872.

It is an arithmetic number, because the mean of its divisors is an integer number (1049601).

Almost surely, 2^4198398 is an apocalyptic number.

4198398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4198398 is a wasteful number, since it uses less digits than its factorization.

4198398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699738.

The product of its digits is 62208, while the sum is 42.

The square root of 4198398 is about 2048.9992679354. Note that the first 3 decimals coincide. The cubic root of 4198398 is about 161.3223484010.

The spelling of 4198398 in words is "four million, one hundred ninety-eight thousand, three hundred ninety-eight".