1886886 has 12 divisors (see below), whose sum is σ = 4088292. Its totient is φ = 628956.

The previous prime is 1886869. The next prime is 1886887. The reversal of 1886886 is 6886881.

It is a happy 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 (1886887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52396 + ... + 52431.

It is an arithmetic number, because the mean of its divisors is an integer number (340691).

2^1886886 is an apocalyptic number.

1886886 is an abundant number, since it is smaller than the sum of its proper divisors (2201406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1886886 is a wasteful number, since it uses less digits than its factorization.

1886886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104835 (or 104832 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 1886886 is about 1373.6396907486. The cubic root of 1886886 is about 123.5706185857.

It can be divided in two parts, 1886 and 886, that added together give a palindrome (2772).

The spelling of 1886886 in words is "one million, eight hundred eighty-six thousand, eight hundred eighty-six".