878616 has 24 divisors (see below), whose sum is σ = 2379780. Its totient is φ = 292848.

The previous prime is 878609. The next prime is 878621. The reversal of 878616 is 616878.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

878616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6030 + ... + 6173.

2⁸⁷⁸⁶¹⁶ is an apocalyptic number.

It is an amenable number.

878616 is an abundant number, since it is smaller than the sum of its proper divisors (1501164).

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

878616 is a wasteful number, since it uses less digits than its factorization.

878616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215 (or 12208 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 878616 is about 937.3451872176. The cubic root of 878616 is about 95.7781334705.

The spelling of 878616 in words is "eight hundred seventy-eight thousand, six hundred sixteen".