878608 has 20 divisors (see below), whose sum is σ = 1724220. Its totient is φ = 433664.

The previous prime is 878597. The next prime is 878609. The reversal of 878608 is 806878.

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 795664 = 288^2 + 892^2 .

It is not an unprimeable number, because it can be changed into a prime (878609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (86211).

2⁸⁷⁸⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

878608 is a deficient number, since it is larger than the sum of its proper divisors (845612).

878608 is a wasteful number, since it uses less digits than its factorization.

878608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 878608 is about 937.3409198365. The cubic root of 878608 is about 95.7778427756. Note that the first 3 decimals are identical.

The spelling of 878608 in words is "eight hundred seventy-eight thousand, six hundred eight".