878430 has 64 divisors (see below), whose sum is σ = 2488320. Its totient is φ = 194304.

The previous prime is 878419. The next prime is 878443. The reversal of 878430 is 34878.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9826 + ... + 9914.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2⁸⁷⁸⁴³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 878430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244160).

878430 is an abundant number, since it is smaller than the sum of its proper divisors (1609890).

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

878430 is a wasteful number, since it uses less digits than its factorization.

878430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 878430 is about 937.2459655821. The cubic root of 878430 is about 95.7713743591.

The spelling of 878430 in words is "eight hundred seventy-eight thousand, four hundred thirty".