1105806 has 16 divisors (see below), whose sum is σ = 2381904. Its totient is φ = 340224.

The previous prime is 1105787. The next prime is 1105807. The reversal of 1105806 is 6085011.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7011 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (148869).

2^1105806 is an apocalyptic number.

1105806 is an abundant number, since it is smaller than the sum of its proper divisors (1276098).

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

1105806 is a wasteful number, since it uses less digits than its factorization.

1105806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14195.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1105806 is about 1051.5731073016. The cubic root of 1105806 is about 103.4093116783.

The spelling of 1105806 in words is "one million, one hundred five thousand, eight hundred six".