208798238 has 16 divisors (see below), whose sum is σ = 341919360. Its totient is φ = 94839000.

The previous prime is 208798207. The next prime is 208798243. The reversal of 208798238 is 832897802.

It is a junction number, because it is equal to n+sod(n) for n = 208798192 and 208798201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38813 + ... + 43863.

It is an arithmetic number, because the mean of its divisors is an integer number (21369960).

Almost surely, 2^208798238 is an apocalyptic number.

208798238 is a deficient number, since it is larger than the sum of its proper divisors (133121122).

208798238 is a wasteful number, since it uses less digits than its factorization.

208798238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 208798238 is about 14449.8525251990. The cubic root of 208798238 is about 593.2561874898.

The spelling of 208798238 in words is "two hundred eight million, seven hundred ninety-eight thousand, two hundred thirty-eight".