208318230 has 80 divisors (see below), whose sum is σ = 573267024. Its totient is φ = 54250560.

The previous prime is 208318213. The next prime is 208318259. The reversal of 208318230 is 32813802.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 208318194 and 208318203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 31840 + ... + 37820.

Almost surely, 2^208318230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208318230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286633512).

208318230 is an abundant number, since it is smaller than the sum of its proper divisors (364948794).

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

208318230 is a wasteful number, since it uses less digits than its factorization.

208318230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043 (or 6034 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 208318230 is about 14433.2335254440. The cubic root of 208318230 is about 592.8012248168.

The spelling of 208318230 in words is "two hundred eight million, three hundred eighteen thousand, two hundred thirty".