878418 has 16 divisors (see below), whose sum is σ = 1952160. Its totient is φ = 292788.

The previous prime is 878413. The next prime is 878419. The reversal of 878418 is 814878.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 878418.

It is not an unprimeable number, because it can be changed into a prime (878411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8080 + ... + 8187.

It is an arithmetic number, because the mean of its divisors is an integer number (122010).

2⁸⁷⁸⁴¹⁸ is an apocalyptic number.

878418 is an abundant number, since it is smaller than the sum of its proper divisors (1073742).

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

878418 is a wasteful number, since it uses less digits than its factorization.

878418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16278 (or 16272 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 878418 is about 937.2395638256. The cubic root of 878418 is about 95.7709382547.

It can be divided in two parts, 878 and 418, that added together give a 4-th power (1296 = 6⁴).

The spelling of 878418 in words is "eight hundred seventy-eight thousand, four hundred eighteen".