420198 has 16 divisors (see below), whose sum is σ = 855360. Its totient is φ = 137576.

The previous prime is 420193. The next prime is 420221. The reversal of 420198 is 891024.

420198 is nontrivially palindromic in base 16.

420198 is a modest number, since divided by 198 gives 42 as remainder.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2⁴²⁰¹⁹⁸ is an apocalyptic number.

420198 is an abundant number, since it is smaller than the sum of its proper divisors (435162).

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

420198 is a wasteful number, since it uses less digits than its factorization.

420198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 420198 is about 648.2268121576. The cubic root of 420198 is about 74.9004902514.

It can be divided in two parts, 4 and 20198, that added together give a palindrome (20202).

The spelling of 420198 in words is "four hundred twenty thousand, one hundred ninety-eight".