208838075 has 12 divisors (see below), whose sum is σ = 263206368. Its totient is φ = 164330400.

The previous prime is 208838053. The next prime is 208838087. The reversal of 208838075 is 570838802.

It is not a de Polignac number, because 208838075 - 2⁶ = 208838011 is a prime.

It is a super-2 number, since 2×208838075² = 87226683139411250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66947 + ... + 69996.

It is an arithmetic number, because the mean of its divisors is an integer number (21933864).

Almost surely, 2^208838075 is an apocalyptic number.

208838075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

208838075 is a deficient number, since it is larger than the sum of its proper divisors (54368293).

208838075 is a wasteful number, since it uses less digits than its factorization.

208838075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137014 (or 137009 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 208838075 is about 14451.2309164306. The cubic root of 208838075 is about 593.2939145704.

The spelling of 208838075 in words is "two hundred eight million, eight hundred thirty-eight thousand, seventy-five".