208929 has 8 divisors (see below), whose sum is σ = 318400. Its totient is φ = 119376.

The previous prime is 208927. The next prime is 208931. The reversal of 208929 is 929802.

It is an interprime number because it is at equal distance from previous prime (208927) and next prime (208931).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208929 - 2¹ = 208927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208896 and 208905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4954 + ... + 4995.

It is an arithmetic number, because the mean of its divisors is an integer number (39800).

2²⁰⁸⁹²⁹ is an apocalyptic number.

It is an amenable number.

208929 is a deficient number, since it is larger than the sum of its proper divisors (109471).

208929 is an equidigital number, since it uses as much as digits as its factorization.

208929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 208929 is about 457.0875189720. The cubic root of 208929 is about 59.3380005867.

The spelling of 208929 in words is "two hundred eight thousand, nine hundred twenty-nine".