208481 has 16 divisors (see below), whose sum is σ = 268800. Its totient is φ = 157248.

The previous prime is 208469. The next prime is 208489. The reversal of 208481 is 184802.

208481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 208481 - 2¹⁰ = 207457 is a prime.

It is a super-2 number, since 2×208481² = 86928654722, which contains 22 as substring.

208481 is a modest number, since divided by 481 gives 208 as remainder.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 208481.

It is not an unprimeable number, because it can be changed into a prime (208489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600 + ... + 2678.

It is an arithmetic number, because the mean of its divisors is an integer number (16800).

2²⁰⁸⁴⁸¹ is an apocalyptic number.

It is an amenable number.

208481 is a deficient number, since it is larger than the sum of its proper divisors (60319).

208481 is a wasteful number, since it uses less digits than its factorization.

208481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 208481 is about 456.5971966624. The cubic root of 208481 is about 59.2955580223.

The spelling of 208481 in words is "two hundred eight thousand, four hundred eighty-one".