208888630 has 8 divisors (see below), whose sum is σ = 375999552. Its totient is φ = 83555448.

The previous prime is 208888621. The next prime is 208888637. The reversal of 208888630 is 36888802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208888637) 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, 10444422 + ... + 10444441.

It is an arithmetic number, because the mean of its divisors is an integer number (46999944).

Almost surely, 2^208888630 is an apocalyptic number.

208888630 is a deficient number, since it is larger than the sum of its proper divisors (167110922).

208888630 is a wasteful number, since it uses less digits than its factorization.

208888630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20888870.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 208888630 is about 14452.9799695426. The cubic root of 208888630 is about 593.3417850779.

The spelling of 208888630 in words is "two hundred eight million, eight hundred eighty-eight thousand, six hundred thirty".