939809983 has 6 divisors (see below), whose sum is σ = 1074161256. Its totient is φ = 805481892.

The previous prime is 939809921. The next prime is 939810017. The reversal of 939809983 is 389908939.

939809983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 939809983 - 2²⁹ = 402939071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939803983) 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, 75316 + ... + 86902.

It is an arithmetic number, because the mean of its divisors is an integer number (179026876).

Almost surely, 2^939809983 is an apocalyptic number.

939809983 is a deficient number, since it is larger than the sum of its proper divisors (134351273).

939809983 is an frugal number, since it uses more digits than its factorization.

939809983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23181 (or 11594 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 58.

The square root of 939809983 is about 30656.3204413054. The cubic root of 939809983 is about 979.5200978796.

The spelling of 939809983 in words is "nine hundred thirty-nine million, eight hundred nine thousand, nine hundred eighty-three".