208938379 has 8 divisors (see below), whose sum is σ = 226522800. Its totient is φ = 191570016.

The previous prime is 208938329. The next prime is 208938391. The reversal of 208938379 is 973839802.

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 208938379 - 2⁹ = 208937867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208938329) 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, 51997 + ... + 55870.

It is an arithmetic number, because the mean of its divisors is an integer number (28315350).

Almost surely, 2^208938379 is an apocalyptic number.

208938379 is a deficient number, since it is larger than the sum of its proper divisors (17584421).

208938379 is a wasteful number, since it uses less digits than its factorization.

208938379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108029.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 208938379 is about 14454.7009308391. The cubic root of 208938379 is about 593.3888848449.

The spelling of 208938379 in words is "two hundred eight million, nine hundred thirty-eight thousand, three hundred seventy-nine".