208867408 has 20 divisors (see below), whose sum is σ = 410722720. Its totient is φ = 102874464.

The previous prime is 208867387. The next prime is 208867409. The reversal of 208867408 is 804768802.

208867408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208867409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96348 + ... + 98491.

It is an arithmetic number, because the mean of its divisors is an integer number (20536136).

Almost surely, 2^208867408 is an apocalyptic number.

It is an amenable number.

208867408 is a deficient number, since it is larger than the sum of its proper divisors (201855312).

208867408 is a wasteful number, since it uses less digits than its factorization.

208867408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194914 (or 194908 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 208867408 is about 14452.2457770410. The cubic root of 208867408 is about 593.3216909160.

It can be divided in two parts, 2088 and 67408, that added together give a palindrome (69496).

The spelling of 208867408 in words is "two hundred eight million, eight hundred sixty-seven thousand, four hundred eight".