878943 has 16 divisors (see below), whose sum is σ = 1304576. Its totient is φ = 522720.

The previous prime is 878939. The next prime is 878953. The reversal of 878943 is 349878.

It is not a de Polignac number, because 878943 - 2² = 878939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878953) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 846 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (81536).

2⁸⁷⁸⁹⁴³ is an apocalyptic number.

878943 is a deficient number, since it is larger than the sum of its proper divisors (425633).

878943 is a wasteful number, since it uses less digits than its factorization.

878943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774.

The product of its digits is 48384, while the sum is 39.

The square root of 878943 is about 937.5195997951. The cubic root of 878943 is about 95.7900141119.

The spelling of 878943 in words is "eight hundred seventy-eight thousand, nine hundred forty-three".