478198 has 8 divisors (see below), whose sum is σ = 819792. Its totient is φ = 204936.

The previous prime is 478189. The next prime is 478199. The reversal of 478198 is 891874.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17065 + ... + 17092.

It is an arithmetic number, because the mean of its divisors is an integer number (102474).

2⁴⁷⁸¹⁹⁸ is an apocalyptic number.

478198 is a deficient number, since it is larger than the sum of its proper divisors (341594).

478198 is a wasteful number, since it uses less digits than its factorization.

478198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34166.

The product of its digits is 16128, while the sum is 37.

The square root of 478198 is about 691.5186186937. The cubic root of 478198 is about 78.1992495180.

It can be divided in two parts, 478 and 198, that added together give a palindrome (676).

The spelling of 478198 in words is "four hundred seventy-eight thousand, one hundred ninety-eight".