989012 has 12 divisors (see below), whose sum is σ = 1749300. Its totient is φ = 489216.

The previous prime is 989011. The next prime is 989029. The reversal of 989012 is 210989.

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 276676 = 844^2 + 526^2 .

It is a super-2 number, since 2×989012² = 1956289472288, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989011) 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, 887 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (145775).

2⁹⁸⁹⁰¹² is an apocalyptic number.

It is an amenable number.

989012 is a deficient number, since it is larger than the sum of its proper divisors (760288).

989012 is a wasteful number, since it uses less digits than its factorization.

989012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 989012 is about 994.4908244926. The cubic root of 989012 is about 99.6323835710.

It can be divided in two parts, 9 and 89012, that multiplied together give a palindrome (801108).

The spelling of 989012 in words is "nine hundred eighty-nine thousand, twelve".