4085843 has 4 divisors (see below), whose sum is σ = 4095168. Its totient is φ = 4076520.

The previous prime is 4085827. The next prime is 4085849. The reversal of 4085843 is 3485804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4085843 - 2⁴ = 4085827 is a prime.

It is a super-2 number, since 2×4085843² = 33388226041298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4085849) 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, 3971 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (1023792).

Almost surely, 2^4085843 is an apocalyptic number.

4085843 is a deficient number, since it is larger than the sum of its proper divisors (9325).

4085843 is an equidigital number, since it uses as much as digits as its factorization.

4085843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 4085843 is about 2021.3468282311. The cubic root of 4085843 is about 159.8676379278.

The spelling of 4085843 in words is "four million, eighty-five thousand, eight hundred forty-three".