208388 has 12 divisors (see below), whose sum is σ = 371280. Its totient is φ = 102312.

The previous prime is 208387. The next prime is 208391. The reversal of 208388 is 883802.

208388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 208388.

It is not an unprimeable number, because it can be changed into a prime (208387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 677.

It is an arithmetic number, because the mean of its divisors is an integer number (30940).

2²⁰⁸³⁸⁸ is an apocalyptic number.

It is an amenable number.

208388 is a deficient number, since it is larger than the sum of its proper divisors (162892).

208388 is a wasteful number, since it uses less digits than its factorization.

208388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 208388 is about 456.4953449927. The cubic root of 208388 is about 59.2867397814.

The spelling of 208388 in words is "two hundred eight thousand, three hundred eighty-eight".