878198 has 8 divisors (see below), whose sum is σ = 1321320. Its totient is φ = 437760.

The previous prime is 878197. The next prime is 878201. The reversal of 878198 is 891878.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878191) 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, 758 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (165165).

2⁸⁷⁸¹⁹⁸ is an apocalyptic number.

878198 is a deficient number, since it is larger than the sum of its proper divisors (443122).

878198 is a wasteful number, since it uses less digits than its factorization.

878198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its digits is 32256, while the sum is 41.

The square root of 878198 is about 937.1221905387. The cubic root of 878198 is about 95.7629423022.

The spelling of 878198 in words is "eight hundred seventy-eight thousand, one hundred ninety-eight".