985842743 has 4 divisors (see below), whose sum is σ = 989207688. Its totient is φ = 982477800.

The previous prime is 985842731. The next prime is 985842751. The reversal of 985842743 is 347248589.

985842743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985842743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985842691 and 985842700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985842043) 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, 1682033 + ... + 1682618.

It is an arithmetic number, because the mean of its divisors is an integer number (247301922).

Almost surely, 2^985842743 is an apocalyptic number.

985842743 is a deficient number, since it is larger than the sum of its proper divisors (3364945).

985842743 is a wasteful number, since it uses less digits than its factorization.

985842743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364944.

The product of its digits is 1935360, while the sum is 50.

The square root of 985842743 is about 31398.1327948017. The cubic root of 985842743 is about 995.2584677384.

The spelling of 985842743 in words is "nine hundred eighty-five million, eight hundred forty-two thousand, seven hundred forty-three".