208800890 has 16 divisors (see below), whose sum is σ = 376634880. Its totient is φ = 83344080.

The previous prime is 208800887. The next prime is 208800901. The reversal of 208800890 is 98008802.

It is a self number, because there is not a number n which added to its sum of digits gives 208800890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17006 + ... + 26585.

It is an arithmetic number, because the mean of its divisors is an integer number (23539680).

Almost surely, 2^208800890 is an apocalyptic number.

208800890 is a deficient number, since it is larger than the sum of its proper divisors (167833990).

208800890 is a wasteful number, since it uses less digits than its factorization.

208800890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44077.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 208800890 is about 14449.9442905501. The cubic root of 208800890 is about 593.2586991789.

The spelling of 208800890 in words is "two hundred eight million, eight hundred thousand, eight hundred ninety".