939713849 has 4 divisors (see below), whose sum is σ = 942678564. Its totient is φ = 936749136.

The previous prime is 939713839. The next prime is 939713851. The reversal of 939713849 is 948317939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948317939 = 5581 ⋅169919.

It can be written as a sum of positive squares in 2 ways, for example, as 390655225 + 549058624 = 19765^2 + 23432^2 .

It is a cyclic number.

It is not a de Polignac number, because 939713849 - 2⁴ = 939713833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 939713849.

It is not an unprimeable number, because it can be changed into a prime (939713839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481882 + ... + 1482515.

It is an arithmetic number, because the mean of its divisors is an integer number (235669641).

Almost surely, 2^939713849 is an apocalyptic number.

It is an amenable number.

939713849 is a deficient number, since it is larger than the sum of its proper divisors (2964715).

939713849 is a wasteful number, since it uses less digits than its factorization.

939713849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964714.

The product of its digits is 1469664, while the sum is 53.

The square root of 939713849 is about 30654.7524700494. The cubic root of 939713849 is about 979.4866980798.

The spelling of 939713849 in words is "nine hundred thirty-nine million, seven hundred thirteen thousand, eight hundred forty-nine".