1105686 has 48 divisors (see below), whose sum is σ = 2611440. Its totient is φ = 336960.

The previous prime is 1105669. The next prime is 1105691. The reversal of 1105686 is 6865011.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18096 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (54405).

2^1105686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305720).

1105686 is an abundant number, since it is smaller than the sum of its proper divisors (1505754).

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

1105686 is a wasteful number, since it uses less digits than its factorization.

1105686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1105686 is about 1051.5160483797. The cubic root of 1105686 is about 103.4055709479.

The spelling of 1105686 in words is "one million, one hundred five thousand, six hundred eighty-six".