1085783 has 4 divisors (see below), whose sum is σ = 1088208. Its totient is φ = 1083360.

The previous prime is 1085779. The next prime is 1085801. The reversal of 1085783 is 3875801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3875801 = 991 ⋅3911.

It is a cyclic number.

It is not a de Polignac number, because 1085783 - 2² = 1085779 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (272052).

2^1085783 is an apocalyptic number.

1085783 is a deficient number, since it is larger than the sum of its proper divisors (2425).

1085783 is an equidigital number, since it uses as much as digits as its factorization.

1085783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1085783 is about 1042.0091170426. The cubic root of 1085783 is about 102.7813566700.

The spelling of 1085783 in words is "one million, eighty-five thousand, seven hundred eighty-three".