208442 has 8 divisors (see below), whose sum is σ = 336756. Its totient is φ = 96192.

The previous prime is 208441. The next prime is 208457. The reversal of 208442 is 244802.

208442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 203401 + 5041 = 451^2 + 71^2 .

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

It is not an unprimeable number, because it can be changed into a prime (208441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3983 + ... + 4034.

2²⁰⁸⁴⁴² is an apocalyptic number.

208442 is a deficient number, since it is larger than the sum of its proper divisors (128314).

208442 is a wasteful number, since it uses less digits than its factorization.

208442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 208442 is about 456.5544874382. The cubic root of 208442 is about 59.2918603697.

The spelling of 208442 in words is "two hundred eight thousand, four hundred forty-two".