39478113 has 6 divisors (see below), whose sum is σ = 57023954. Its totient is φ = 26318736.

The previous prime is 39478099. The next prime is 39478129. The reversal of 39478113 is 31187493.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 3873024 = 5967^2 + 1968^2 .

It is not a de Polignac number, because 39478113 - 2¹⁶ = 39412577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39478183) 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, 2193220 + ... + 2193237.

Almost surely, 2^39478113 is an apocalyptic number.

It is an amenable number.

39478113 is a deficient number, since it is larger than the sum of its proper divisors (17545841).

39478113 is a wasteful number, since it uses less digits than its factorization.

39478113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386463 (or 4386460 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 39478113 is about 6283.1610674882. The cubic root of 39478113 is about 340.5013164057.

The spelling of 39478113 in words is "thirty-nine million, four hundred seventy-eight thousand, one hundred thirteen".