1090806 has 16 divisors (see below), whose sum is σ = 2257200. Its totient is φ = 351008.

The previous prime is 1090799. The next prime is 1090807. The reversal of 1090806 is 6080901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090807) 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, 2961 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (141075).

2^1090806 is an apocalyptic number.

1090806 is an abundant number, since it is smaller than the sum of its proper divisors (1166394).

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

1090806 is a wasteful number, since it uses less digits than its factorization.

1090806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6303.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1090806 is about 1044.4165835528. The cubic root of 1090806 is about 102.9396070381.

The spelling of 1090806 in words is "one million, ninety thousand, eight hundred six".