1996886 has 4 divisors (see below), whose sum is σ = 2995332. Its totient is φ = 998442.

The previous prime is 1996879. The next prime is 1996901. The reversal of 1996886 is 6886991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6886991 = 31 ⋅222161.

It is a self number, because there is not a number n which added to its sum of digits gives 1996886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499220 + ... + 499223.

It is an arithmetic number, because the mean of its divisors is an integer number (748833).

2^1996886 is an apocalyptic number.

1996886 is a deficient number, since it is larger than the sum of its proper divisors (998446).

1996886 is an equidigital number, since it uses as much as digits as its factorization.

1996886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998445.

The product of its digits is 186624, while the sum is 47.

The square root of 1996886 is about 1413.1121682301. The cubic root of 1996886 is about 125.9266811203.

It can be divided in two parts, 1996 and 886, that added together give a palindrome (2882).

The spelling of 1996886 in words is "one million, nine hundred ninety-six thousand, eight hundred eighty-six".