408198 has 16 divisors (see below), whose sum is σ = 933120. Its totient is φ = 116616.

The previous prime is 408197. The next prime is 408203. The reversal of 408198 is 891804.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408197) 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, 4818 + ... + 4901.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁴⁰⁸¹⁹⁸ is an apocalyptic number.

408198 is an abundant number, since it is smaller than the sum of its proper divisors (524922).

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

408198 is a wasteful number, since it uses less digits than its factorization.

408198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 408198 is about 638.9037486195. The cubic root of 408198 is about 74.1805913060.

It can be divided in two parts, 408 and 198, that added together give a palindrome (606).

The spelling of 408198 in words is "four hundred eight thousand, one hundred ninety-eight".