208288084 has 12 divisors (see below), whose sum is σ = 364868308. Its totient is φ = 104040000.

The previous prime is 208288079. The next prime is 208288111. The reversal of 208288084 is 480882802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145878084 + 62410000 = 12078^2 + 7900^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 21417 + ... + 29584.

Almost surely, 2^208288084 is an apocalyptic number.

It is an amenable number.

208288084 is a deficient number, since it is larger than the sum of its proper divisors (156580224).

208288084 is a wasteful number, since it uses less digits than its factorization.

208288084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52026 (or 52024 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 208288084 is about 14432.1891617315. The cubic root of 208288084 is about 592.7726284271.

The spelling of 208288084 in words is "two hundred eight million, two hundred eighty-eight thousand, eighty-four".