108939407 has 8 divisors (see below), whose sum is σ = 114777600. Its totient is φ = 103111704.

The previous prime is 108939401. The next prime is 108939427. The reversal of 108939407 is 704939801.

It is a happy number.

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 108939407 - 2⁸ = 108939151 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 (108939401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27944 + ... + 31602.

It is an arithmetic number, because the mean of its divisors is an integer number (14347200).

Almost surely, 2^108939407 is an apocalyptic number.

108939407 is a deficient number, since it is larger than the sum of its proper divisors (5838193).

108939407 is a wasteful number, since it uses less digits than its factorization.

108939407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 108939407 is about 10437.4042271055. The cubic root of 108939407 is about 477.5970866977.

The spelling of 108939407 in words is "one hundred eight million, nine hundred thirty-nine thousand, four hundred seven".