208378368 has 120 divisors (see below), whose sum is σ = 656225856. Its totient is φ = 63129600.

The previous prime is 208378361. The next prime is 208378381. The reversal of 208378368 is 863873802.

It is not an unprimeable number, because it can be changed into a prime (208378361) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 48633 + ... + 52743.

Almost surely, 2^208378368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208378368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328112928).

208378368 is an abundant number, since it is smaller than the sum of its proper divisors (447847488).

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

208378368 is a wasteful number, since it uses less digits than its factorization.

208378368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4146 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 208378368 is about 14435.3166920577. The cubic root of 208378368 is about 592.8582632720.

The spelling of 208378368 in words is "two hundred eight million, three hundred seventy-eight thousand, three hundred sixty-eight".