39066879 has 4 divisors (see below), whose sum is σ = 52089176. Its totient is φ = 26044584.

The previous prime is 39066821. The next prime is 39066889. The reversal of 39066879 is 97866093.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 39066879 - 2¹⁶ = 39001343 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 (39066889) 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, 6511144 + ... + 6511149.

It is an arithmetic number, because the mean of its divisors is an integer number (13022294).

Almost surely, 2^39066879 is an apocalyptic number.

39066879 is a deficient number, since it is larger than the sum of its proper divisors (13022297).

39066879 is a wasteful number, since it uses less digits than its factorization.

39066879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022296.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 39066879 is about 6250.3503101826. The cubic root of 39066879 is about 339.3148804643.

The spelling of 39066879 in words is "thirty-nine million, sixty-six thousand, eight hundred seventy-nine".