208998441 has 16 divisors (see below), whose sum is σ = 309859200. Its totient is φ = 139227984.

The previous prime is 208998409. The next prime is 208998467. The reversal of 208998441 is 144899802.

It is not a de Polignac number, because 208998441 - 2⁵ = 208998409 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (208998641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54495 + ... + 58203.

It is an arithmetic number, because the mean of its divisors is an integer number (19366200).

Almost surely, 2^208998441 is an apocalyptic number.

It is an amenable number.

208998441 is a deficient number, since it is larger than the sum of its proper divisors (100860759).

208998441 is a wasteful number, since it uses less digits than its factorization.

208998441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805 (or 5799 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 208998441 is about 14456.7783755580. The cubic root of 208998441 is about 593.4457384634.

The spelling of 208998441 in words is "two hundred eight million, nine hundred ninety-eight thousand, four hundred forty-one".