578198 has 4 divisors (see below), whose sum is σ = 867300. Its totient is φ = 289098.

The previous prime is 578191. The next prime is 578203. The reversal of 578198 is 891875.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578191) by changing a digit.

578198 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144548 + ... + 144551.

It is an arithmetic number, because the mean of its divisors is an integer number (216825).

2⁵⁷⁸¹⁹⁸ is an apocalyptic number.

578198 is a deficient number, since it is larger than the sum of its proper divisors (289102).

578198 is a wasteful number, since it uses less digits than its factorization.

578198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289101.

The product of its digits is 20160, while the sum is 38.

The square root of 578198 is about 760.3933192763. The cubic root of 578198 is about 83.3090524815.

The spelling of 578198 in words is "five hundred seventy-eight thousand, one hundred ninety-eight".