6985843 has 4 divisors (see below), whose sum is σ = 7057960. Its totient is φ = 6913728.

The previous prime is 6985841. The next prime is 6985871. The reversal of 6985843 is 3485896.

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 6985843 - 2¹ = 6985841 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 9⁵ + 8 + 5 + 8⁷ + 4 + 3¹⁴ .

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 6985843.

It is not an unprimeable number, because it can be changed into a prime (6985841) 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, 35913 + ... + 36106.

It is an arithmetic number, because the mean of its divisors is an integer number (1764490).

Almost surely, 2^6985843 is an apocalyptic number.

6985843 is a deficient number, since it is larger than the sum of its proper divisors (72117).

6985843 is an equidigital number, since it uses as much as digits as its factorization.

6985843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72116.

The product of its digits is 207360, while the sum is 43.

The square root of 6985843 is about 2643.0745354605. The cubic root of 6985843 is about 191.1640723534.

The spelling of 6985843 in words is "six million, nine hundred eighty-five thousand, eight hundred forty-three".