1996611 has 8 divisors (see below), whose sum is σ = 2677584. Its totient is φ = 1323360.

The previous prime is 1996609. The next prime is 1996613. The reversal of 1996611 is 1166991.

It is an interprime number because it is at equal distance from previous prime (1996609) and next prime (1996613).

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

It is not a de Polignac number, because 1996611 - 2¹ = 1996609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1996613) 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 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (334698).

2^1996611 is an apocalyptic number.

1996611 is a deficient number, since it is larger than the sum of its proper divisors (680973).

1996611 is a wasteful number, since it uses less digits than its factorization.

1996611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861.

The product of its digits is 2916, while the sum is 33.

The square root of 1996611 is about 1413.0148619176. The cubic root of 1996611 is about 125.9209002149.

The spelling of 1996611 in words is "one million, nine hundred ninety-six thousand, six hundred eleven".