878284 has 12 divisors (see below), whose sum is σ = 1676808. Its totient is φ = 399200.

The previous prime is 878279. The next prime is 878287. The reversal of 878284 is 482878.

It is not an unprimeable number, because it can be changed into a prime (878287) 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 3 ways as a sum of consecutive naturals, for example, 9937 + ... + 10024.

It is an arithmetic number, because the mean of its divisors is an integer number (139734).

2⁸⁷⁸²⁸⁴ is an apocalyptic number.

It is an amenable number.

878284 is a deficient number, since it is larger than the sum of its proper divisors (798524).

878284 is a wasteful number, since it uses less digits than its factorization.

878284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19976 (or 19974 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 878284 is about 937.1680745736. The cubic root of 878284 is about 95.7660681517.

The spelling of 878284 in words is "eight hundred seventy-eight thousand, two hundred eighty-four".