878606 has 4 divisors (see below), whose sum is σ = 1317912. Its totient is φ = 439302.

The previous prime is 878597. The next prime is 878609. The reversal of 878606 is 606878.

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 (878609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219650 + ... + 219653.

It is an arithmetic number, because the mean of its divisors is an integer number (329478).

2⁸⁷⁸⁶⁰⁶ is an apocalyptic number.

878606 is a deficient number, since it is larger than the sum of its proper divisors (439306).

878606 is a wasteful number, since it uses less digits than its factorization.

878606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439305.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 878606 is about 937.3398529882. The cubic root of 878606 is about 95.7777701016. Note that the first 5 decimals are identical.

The spelling of 878606 in words is "eight hundred seventy-eight thousand, six hundred six".