939473985 has 16 divisors (see below), whose sum is σ = 1568513664. Its totient is φ = 479267712.

The previous prime is 939473957. The next prime is 939474001. The reversal of 939473985 is 589374939.

It is not a de Polignac number, because 939473985 - 2¹⁴ = 939457601 is a prime.

It is a super-2 number, since 2×939473985² = 1765222736983560450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1361212 + ... + 1361901.

It is an arithmetic number, because the mean of its divisors is an integer number (98032104).

Almost surely, 2^939473985 is an apocalyptic number.

It is an amenable number.

939473985 is a deficient number, since it is larger than the sum of its proper divisors (629039679).

939473985 is a wasteful number, since it uses less digits than its factorization.

939473985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723144.

The product of its digits is 7348320, while the sum is 57.

The square root of 939473985 is about 30650.8398743003. The cubic root of 939473985 is about 979.4033522859.

The spelling of 939473985 in words is "nine hundred thirty-nine million, four hundred seventy-three thousand, nine hundred eighty-five".