4000198 has 8 divisors (see below), whose sum is σ = 6009120. Its totient is φ = 1997160.

The previous prime is 4000189. The next prime is 4000237. The reversal of 4000198 is 8910004.

4000198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

4000198 is a modest number, since divided by 198 gives 4 as remainder.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1203 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (751140).

Almost surely, 2^4000198 is an apocalyptic number.

4000198 is a deficient number, since it is larger than the sum of its proper divisors (2008922).

4000198 is a wasteful number, since it uses less digits than its factorization.

4000198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 4000198 is about 2000.0494993875. The cubic root of 4000198 is about 158.7427243653.

The spelling of 4000198 in words is "four million, one hundred ninety-eight", and thus it is an aban number.