989846 has 16 divisors (see below), whose sum is σ = 1744848. Its totient is φ = 415200.

The previous prime is 989839. The next prime is 989869. The reversal of 989846 is 648989.

It is a junction number, because it is equal to n+sod(n) for n = 989797 and 989806.

It is a congruent number.

It is an unprimeable number.

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, 1445 + ... + 2016.

It is an arithmetic number, because the mean of its divisors is an integer number (109053).

2⁹⁸⁹⁸⁴⁶ is an apocalyptic number.

989846 is a deficient number, since it is larger than the sum of its proper divisors (755002).

989846 is a wasteful number, since it uses less digits than its factorization.

989846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its digits is 124416, while the sum is 44.

The square root of 989846 is about 994.9100461851. The cubic root of 989846 is about 99.6603812300.

The spelling of 989846 in words is "nine hundred eighty-nine thousand, eight hundred forty-six".