208861136 has 40 divisors (see below), whose sum is σ = 455708928. Its totient is φ = 91872000.

The previous prime is 208861127. The next prime is 208861139. The reversal of 208861136 is 631168802.

208861136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×208861136³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208861096 and 208861105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208861139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685 + ... + 24596.

Almost surely, 2^208861136 is an apocalyptic number.

It is an amenable number.

208861136 is an abundant number, since it is smaller than the sum of its proper divisors (246847792).

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

208861136 is a wasteful number, since it uses less digits than its factorization.

208861136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38331 (or 38325 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 208861136 is about 14452.0287849146. The cubic root of 208861136 is about 593.3157519794.

It can be divided in two parts, 20886 and 1136, that added together give a palindrome (22022).

The spelling of 208861136 in words is "two hundred eight million, eight hundred sixty-one thousand, one hundred thirty-six".