1989282 has 8 divisors (see below), whose sum is σ = 3978576. Its totient is φ = 663092.

The previous prime is 1989277. The next prime is 1989307. The reversal of 1989282 is 2829891.

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

1989282 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1989282.

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 3 ways as a sum of consecutive naturals, for example, 165768 + ... + 165779.

It is an arithmetic number, because the mean of its divisors is an integer number (497322).

2^1989282 is an apocalyptic number.

1989282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1989282 is a wasteful number, since it uses less digits than its factorization.

1989282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331552.

The product of its digits is 20736, while the sum is 39.

The square root of 1989282 is about 1410.4190866547. The cubic root of 1989282 is about 125.7666378522.

The spelling of 1989282 in words is "one million, nine hundred eighty-nine thousand, two hundred eighty-two".