939964117 has 4 divisors (see below), whose sum is σ = 940026700. Its totient is φ = 939901536.

The previous prime is 939964111. The next prime is 939964141. The reversal of 939964117 is 711469939.

939964117 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 171898321 + 768065796 = 13111^2 + 27714^2 .

It is a 3-Lehmer number, since φ(939964117) divides (939964117-1)³.

It is a cyclic number.

It is not a de Polignac number, because 939964117 - 2¹⁹ = 939439829 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 (939964111) 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, 6259 + ... + 43807.

It is an arithmetic number, because the mean of its divisors is an integer number (235006675).

Almost surely, 2^939964117 is an apocalyptic number.

939964117 is the 25033-rd pentagonal number.

It is an amenable number.

939964117 is a deficient number, since it is larger than the sum of its proper divisors (62583).

939964117 is a wasteful number, since it uses less digits than its factorization.

939964117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62582.

The product of its digits is 367416, while the sum is 49.

The square root of 939964117 is about 30658.8342407209. The cubic root of 939964117 is about 979.5736438448.

The spelling of 939964117 in words is "nine hundred thirty-nine million, nine hundred sixty-four thousand, one hundred seventeen".