4218198 has 8 divisors (see below), whose sum is σ = 8436408. Its totient is φ = 1406064.

The previous prime is 4218173. The next prime is 4218199. The reversal of 4218198 is 8918124.

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

4218198 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218199) 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, 351511 + ... + 351522.

It is an arithmetic number, because the mean of its divisors is an integer number (1054551).

Almost surely, 2^4218198 is an apocalyptic number.

4218198 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.

4218198 is a wasteful number, since it uses less digits than its factorization.

4218198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703038.

The product of its digits is 4608, while the sum is 33.

The square root of 4218198 is about 2053.8252116478. The cubic root of 4218198 is about 161.5755540497.

The spelling of 4218198 in words is "four million, two hundred eighteen thousand, one hundred ninety-eight".