878380 has 24 divisors (see below), whose sum is σ = 1896048. Its totient is φ = 341568.

The previous prime is 878377. The next prime is 878387. The reversal of 878380 is 83878.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (878387) 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, 147 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (79002).

2⁸⁷⁸³⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948024).

878380 is an abundant number, since it is smaller than the sum of its proper divisors (1017668).

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

878380 is a wasteful number, since it uses less digits than its factorization.

878380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 878380 is about 937.2192913081. The cubic root of 878380 is about 95.7695572310.

The spelling of 878380 in words is "eight hundred seventy-eight thousand, three hundred eighty".