1989082 has 8 divisors (see below), whose sum is σ = 3014676. Its totient is φ = 984192.

The previous prime is 1989077. The next prime is 1989101. The reversal of 1989082 is 2809891.

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 114921 = 1369^2 + 339^2 .

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, 4933 + ... + 5320.

2^1989082 is an apocalyptic number.

1989082 is a deficient number, since it is larger than the sum of its proper divisors (1025594).

1989082 is a wasteful number, since it uses less digits than its factorization.

1989082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 1989082 is about 1410.3481839603. The cubic root of 1989082 is about 125.7624229025.

The spelling of 1989082 in words is "one million, nine hundred eighty-nine thousand, eighty-two".