1085843 has 4 divisors (see below), whose sum is σ = 1184568. Its totient is φ = 987120.

The previous prime is 1085827. The next prime is 1085857. The reversal of 1085843 is 3485801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3485801 = 11 ⋅316891.

It is a cyclic number.

It is not a de Polignac number, because 1085843 - 2⁴ = 1085827 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (1085813) 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, 49346 + ... + 49367.

It is an arithmetic number, because the mean of its divisors is an integer number (296142).

2^1085843 is an apocalyptic number.

1085843 is a deficient number, since it is larger than the sum of its proper divisors (98725).

1085843 is an equidigital number, since it uses as much as digits as its factorization.

1085843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98724.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1085843 is about 1042.0379071800. The cubic root of 1085843 is about 102.7832498561.

It can be divided in two parts, 10858 and 43, that added together give a palindrome (10901).

The spelling of 1085843 in words is "one million, eighty-five thousand, eight hundred forty-three".