978846 has 16 divisors (see below), whose sum is σ = 2135808. Its totient is φ = 296600.

The previous prime is 978839. The next prime is 978851. The reversal of 978846 is 648879.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 978798 and 978807.

It is a congruent number.

It is an unprimeable number.

978846 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7350 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (133488).

2⁹⁷⁸⁸⁴⁶ is an apocalyptic number.

978846 is an abundant number, since it is smaller than the sum of its proper divisors (1156962).

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

978846 is a wasteful number, since it uses less digits than its factorization.

978846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14847.

The product of its digits is 96768, while the sum is 42.

The square root of 978846 is about 989.3664639556. The cubic root of 978846 is about 99.2898352658.

The spelling of 978846 in words is "nine hundred seventy-eight thousand, eight hundred forty-six".