208438 has 8 divisors (see below), whose sum is σ = 316440. Its totient is φ = 102960.

The previous prime is 208433. The next prime is 208441. The reversal of 208438 is 834802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208433) 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, 408 + ... + 763.

It is an arithmetic number, because the mean of its divisors is an integer number (39555).

2²⁰⁸⁴³⁸ is an apocalyptic number.

208438 is a deficient number, since it is larger than the sum of its proper divisors (108002).

208438 is a wasteful number, since it uses less digits than its factorization.

208438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 208438 is about 456.5501067791. The cubic root of 208438 is about 59.2914810972.

It can be divided in two parts, 208 and 438, that added together give a palindrome (646).

The spelling of 208438 in words is "two hundred eight thousand, four hundred thirty-eight".