1989296 has 20 divisors (see below), whose sum is σ = 3895584. Its totient is φ = 984000.

The previous prime is 1989277. The next prime is 1989307. The reversal of 1989296 is 6929891.

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, 1001 + ... + 2231.

2^1989296 is an apocalyptic number.

1989296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1989296 is a deficient number, since it is larger than the sum of its proper divisors (1906288).

1989296 is a wasteful number, since it uses less digits than its factorization.

1989296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1334 counting only the distinct ones).

The product of its digits is 69984, while the sum is 44.

The square root of 1989296 is about 1410.4240497099. The cubic root of 1989296 is about 125.7669328881.

The spelling of 1989296 in words is "one million, nine hundred eighty-nine thousand, two hundred ninety-six".