989146 has 8 divisors (see below), whose sum is σ = 1500660. Its totient is φ = 488928.

The previous prime is 989123. The next prime is 989171. The reversal of 989146 is 641989.

It can be written as a sum of positive squares in 2 ways, for example, as 978121 + 11025 = 989^2 + 105^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601 + ... + 2956.

2⁹⁸⁹¹⁴⁶ is an apocalyptic number.

989146 is a deficient number, since it is larger than the sum of its proper divisors (511514).

989146 is a wasteful number, since it uses less digits than its factorization.

989146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648.

The product of its digits is 15552, while the sum is 37.

The square root of 989146 is about 994.5581933703. The cubic root of 989146 is about 99.6368830568.

The spelling of 989146 in words is "nine hundred eighty-nine thousand, one hundred forty-six".