1996173 has 6 divisors (see below), whose sum is σ = 2883374. Its totient is φ = 1330776.

The previous prime is 1996171. The next prime is 1996177. The reversal of 1996173 is 3716991.

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 887364 = 1053^2 + 942^2 .

It is not a de Polignac number, because 1996173 - 2¹ = 1996171 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996171) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 110890 + ... + 110907.

2^1996173 is an apocalyptic number.

It is an amenable number.

1996173 is a deficient number, since it is larger than the sum of its proper divisors (887201).

1996173 is a wasteful number, since it uses less digits than its factorization.

1996173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221803 (or 221800 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1996173 is about 1412.8598656626. The cubic root of 1996173 is about 125.9116917131.

The spelling of 1996173 in words is "one million, nine hundred ninety-six thousand, one hundred seventy-three".