208032188 has 48 divisors (see below), whose sum is σ = 454265280. Its totient is φ = 81160704.

The previous prime is 208032163. The next prime is 208032221. The reversal of 208032188 is 881230802.

208032188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22658 + ... + 30486.

It is an arithmetic number, because the mean of its divisors is an integer number (9463860).

Almost surely, 2^208032188 is an apocalyptic number.

208032188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208032188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227132640).

208032188 is an abundant number, since it is smaller than the sum of its proper divisors (246233092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208032188 is a wasteful number, since it uses less digits than its factorization.

208032188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7926 (or 7924 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 208032188 is about 14423.3209768070. The cubic root of 208032188 is about 592.5297751895.

The spelling of 208032188 in words is "two hundred eight million, thirty-two thousand, one hundred eighty-eight".