1081886 has 8 divisors (see below), whose sum is σ = 1747704. Its totient is φ = 499320.

The previous prime is 1081859. The next prime is 1081891. The reversal of 1081886 is 6881801.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20780 + ... + 20831.

It is an arithmetic number, because the mean of its divisors is an integer number (218463).

2^1081886 is an apocalyptic number.

1081886 is a deficient number, since it is larger than the sum of its proper divisors (665818).

1081886 is a wasteful number, since it uses less digits than its factorization.

1081886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41626.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1081886 is about 1040.1374909117. The cubic root of 1081886 is about 102.6582445631.

The spelling of 1081886 in words is "one million, eighty-one thousand, eight hundred eighty-six".