1091883 has 8 divisors (see below), whose sum is σ = 1567888. Its totient is φ = 671904.

The previous prime is 1091869. The next prime is 1091887. The reversal of 1091883 is 3881901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1091883 - 2⁸ = 1091627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1091883.

It is not an unprimeable number, because it can be changed into a prime (1091887) 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, 13960 + ... + 14037.

It is an arithmetic number, because the mean of its divisors is an integer number (195986).

2^1091883 is an apocalyptic number.

1091883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1091883 is a deficient number, since it is larger than the sum of its proper divisors (476005).

1091883 is a wasteful number, since it uses less digits than its factorization.

1091883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28013.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1091883 is about 1044.9320552074. The cubic root of 1091883 is about 102.9734748047.

The spelling of 1091883 in words is "one million, ninety-one thousand, eight hundred eighty-three".