208630270 has 16 divisors (see below), whose sum is σ = 377110080. Its totient is φ = 83101984.

The previous prime is 208630237. The next prime is 208630271. The reversal of 208630270 is 72036802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208630271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41257 + ... + 46036.

It is an arithmetic number, because the mean of its divisors is an integer number (23569380).

Almost surely, 2^208630270 is an apocalyptic number.

208630270 is a deficient number, since it is larger than the sum of its proper divisors (168479810).

208630270 is a wasteful number, since it uses less digits than its factorization.

208630270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87539.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 208630270 is about 14444.0392550007. The cubic root of 208630270 is about 593.0970629224.

The spelling of 208630270 in words is "two hundred eight million, six hundred thirty thousand, two hundred seventy".