828678 has 8 divisors (see below), whose sum is σ = 1657368. Its totient is φ = 276224.

The previous prime is 828677. The next prime is 828691. The reversal of 828678 is 876828.

It is a sphenic number, since it is the product of 3 distinct primes.

828678 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69051 + ... + 69062.

It is an arithmetic number, because the mean of its divisors is an integer number (207171).

2⁸²⁸⁶⁷⁸ is an apocalyptic number.

828678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

828678 is a wasteful number, since it uses less digits than its factorization.

828678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138118.

The product of its digits is 43008, while the sum is 39.

The square root of 828678 is about 910.3175270201. The cubic root of 828678 is about 93.9280421078.

The spelling of 828678 in words is "eight hundred twenty-eight thousand, six hundred seventy-eight".