1989336 has 16 divisors (see below), whose sum is σ = 4973400. Its totient is φ = 663104.

The previous prime is 1989329. The next prime is 1989341. The reversal of 1989336 is 6339891.

It is a junction number, because it is equal to n+sod(n) for n = 1989294 and 1989303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41421 + ... + 41468.

2^1989336 is an apocalyptic number.

It is an amenable number.

1989336 is an abundant number, since it is smaller than the sum of its proper divisors (2984064).

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

1989336 is a wasteful number, since it uses less digits than its factorization.

1989336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82898 (or 82894 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 1989336 is about 1410.4382297712. The cubic root of 1989336 is about 125.7677758402.

The spelling of 1989336 in words is "one million, nine hundred eighty-nine thousand, three hundred thirty-six".