208961010 has 48 divisors (see below), whose sum is σ = 556559640. Its totient is φ = 54362880.

The previous prime is 208960981. The next prime is 208961041. The reversal of 208961010 is 10169802.

It can be written as a sum of positive squares in 4 ways, for example, as 102272769 + 106688241 = 10113^2 + 10329^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24625 + ... + 32004.

Almost surely, 2^208961010 is an apocalyptic number.

208961010 is an abundant number, since it is smaller than the sum of its proper divisors (347598630).

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

208961010 is a wasteful number, since it uses less digits than its factorization.

208961010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56683 (or 56680 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 208961010 is about 14455.4837345555. The cubic root of 208961010 is about 593.4103082252.

The spelling of 208961010 in words is "two hundred eight million, nine hundred sixty-one thousand, ten".