878834 has 16 divisors (see below), whose sum is σ = 1473120. Its totient is φ = 389760.

The previous prime is 878833. The next prime is 878837. The reversal of 878834 is 438878.

It is an Ulam number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 878834.

It is not an unprimeable number, because it can be changed into a prime (878831) 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, 482 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (92070).

2⁸⁷⁸⁸³⁴ is an apocalyptic number.

878834 is a deficient number, since it is larger than the sum of its proper divisors (594286).

878834 is a wasteful number, since it uses less digits than its factorization.

878834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985.

The product of its digits is 43008, while the sum is 38.

The square root of 878834 is about 937.4614658747. The cubic root of 878834 is about 95.7860542256.

The spelling of 878834 in words is "eight hundred seventy-eight thousand, eight hundred thirty-four".