39861113 has 4 divisors (see below), whose sum is σ = 39974388. Its totient is φ = 39747840.

The previous prime is 39861097. The next prime is 39861149. The reversal of 39861113 is 31116893.

39861113 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.

It can be written as a sum of positive squares in 2 ways, for example, as 32171584 + 7689529 = 5672^2 + 2773^2 .

It is a cyclic number.

It is not a de Polignac number, because 39861113 - 2⁴ = 39861097 is a prime.

It is a super-3 number, since 3×39861113³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39861113.

It is not an unprimeable number, because it can be changed into a prime (39861163) 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, 56108 + ... + 56813.

It is an arithmetic number, because the mean of its divisors is an integer number (9993597).

Almost surely, 2^39861113 is an apocalyptic number.

It is an amenable number.

39861113 is a deficient number, since it is larger than the sum of its proper divisors (113275).

39861113 is a wasteful number, since it uses less digits than its factorization.

39861113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113274.

The product of its digits is 3888, while the sum is 32.

The square root of 39861113 is about 6313.5657912150. The cubic root of 39861113 is about 341.5989079459.

The spelling of 39861113 in words is "thirty-nine million, eight hundred sixty-one thousand, one hundred thirteen".