878730 has 32 divisors (see below), whose sum is σ = 2234304. Its totient is φ = 220416.

The previous prime is 878719. The next prime is 878737. The reversal of 878730 is 37878.

It is a junction number, because it is equal to n+sod(n) for n = 878691 and 878700.

It is not an unprimeable number, because it can be changed into a prime (878737) by changing a digit.

878730 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 15 ways as a sum of consecutive naturals, for example, 352 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (69822).

2⁸⁷⁸⁷³⁰ is an apocalyptic number.

878730 is an abundant number, since it is smaller than the sum of its proper divisors (1355574).

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

878730 is a wasteful number, since it uses less digits than its factorization.

878730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 878730 is about 937.4059952870. The cubic root of 878730 is about 95.7822756801.

The spelling of 878730 in words is "eight hundred seventy-eight thousand, seven hundred thirty".