39106639 has 8 divisors (see below), whose sum is σ = 45943632. Its totient is φ = 32816640.

The previous prime is 39106637. The next prime is 39106643. The reversal of 39106639 is 93660193.

39106639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39106639 - 2¹ = 39106637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39106598 and 39106607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39106631) 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 7 ways as a sum of consecutive naturals, for example, 136594 + ... + 136879.

It is an arithmetic number, because the mean of its divisors is an integer number (5742954).

Almost surely, 2^39106639 is an apocalyptic number.

39106639 is a deficient number, since it is larger than the sum of its proper divisors (6836993).

39106639 is a wasteful number, since it uses less digits than its factorization.

39106639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273497.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 39106639 is about 6253.5301230585. The cubic root of 39106639 is about 339.4299530931.

The spelling of 39106639 in words is "thirty-nine million, one hundred six thousand, six hundred thirty-nine".