985115383 has 6 divisors (see below), whose sum is σ = 1125941064. Its totient is φ = 844313436.

The previous prime is 985115357. The next prime is 985115387. The reversal of 985115383 is 383511589.

It is not a de Polignac number, because 985115383 - 2¹³ = 985107191 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 (985115387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77110 + ... + 88972.

It is an arithmetic number, because the mean of its divisors is an integer number (187656844).

Almost surely, 2^985115383 is an apocalyptic number.

985115383 is a deficient number, since it is larger than the sum of its proper divisors (140825681).

985115383 is an frugal number, since it uses more digits than its factorization.

985115383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733 (or 11870 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 985115383 is about 31386.5478031592. The cubic root of 985115383 is about 995.0136385259.

The spelling of 985115383 in words is "nine hundred eighty-five million, one hundred fifteen thousand, three hundred eighty-three".