1996853 has 8 divisors (see below), whose sum is σ = 2122680. Its totient is φ = 1874880.

The previous prime is 1996849. The next prime is 1996859. The reversal of 1996853 is 3586991.

It can be written as a sum of positive squares in 4 ways, for example, as 128164 + 1868689 = 358^2 + 1367^2 .

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 1996853 - 2² = 1996849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1996853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996859) 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, 143 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (265335).

2^1996853 is an apocalyptic number.

It is an amenable number.

1996853 is a deficient number, since it is larger than the sum of its proper divisors (125827).

1996853 is a wasteful number, since it uses less digits than its factorization.

1996853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its digits is 58320, while the sum is 41.

The square root of 1996853 is about 1413.1004918264. The cubic root of 1996853 is about 125.9259874396.

The spelling of 1996853 in words is "one million, nine hundred ninety-six thousand, eight hundred fifty-three".