1996447 has 8 divisors (see below), whose sum is σ = 2114640. Its totient is φ = 1881600.

The previous prime is 1996439. The next prime is 1996453. The reversal of 1996447 is 7446991.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1996447 - 2³ = 1996439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (264330).

2^1996447 is an apocalyptic number.

1996447 is a deficient number, since it is larger than the sum of its proper divisors (118193).

1996447 is a wasteful number, since it uses less digits than its factorization.

1996447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its digits is 54432, while the sum is 40.

The square root of 1996447 is about 1412.9568287814. The cubic root of 1996447 is about 125.9174524404.

The spelling of 1996447 in words is "one million, nine hundred ninety-six thousand, four hundred forty-seven".