208928272 has 20 divisors (see below), whose sum is σ = 462627136. Its totient is φ = 89540640.

The previous prime is 208928227. The next prime is 208928327. The reversal of 208928272 is 272829802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932604 + ... + 932827.

Almost surely, 2^208928272 is an apocalyptic number.

It is an amenable number.

208928272 is an abundant number, since it is smaller than the sum of its proper divisors (253698864).

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

208928272 is a wasteful number, since it uses less digits than its factorization.

208928272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865446 (or 1865440 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 208928272 is about 14454.3513171640. The cubic root of 208928272 is about 593.3793166679.

The spelling of 208928272 in words is "two hundred eight million, nine hundred twenty-eight thousand, two hundred seventy-two".