1085808 has 20 divisors (see below), whose sum is σ = 2805128. Its totient is φ = 361920.

The previous prime is 1085801. The next prime is 1085809. The reversal of 1085808 is 8085801.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085801) by changing a digit.

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, 11263 + ... + 11358.

2^1085808 is an apocalyptic number.

It is an amenable number.

1085808 is an abundant number, since it is smaller than the sum of its proper divisors (1719320).

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

1085808 is a wasteful number, since it uses less digits than its factorization.

1085808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632 (or 22626 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 1085808 is about 1042.0211130299. The cubic root of 1085808 is about 102.7821455060.

It can be divided in two parts, 108 and 5808, that multiplied together give a square (627264 = 792²).

The spelling of 1085808 in words is "one million, eighty-five thousand, eight hundred eight".