208843842 has 16 divisors (see below), whose sum is σ = 426575232. Its totient is φ = 68133360.

The previous prime is 208843771. The next prime is 208843849. The reversal of 208843842 is 248348802.

It is a self number, because there is not a number n which added to its sum of digits gives 208843842.

It is not an unprimeable number, because it can be changed into a prime (208843849) 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, 370009 + ... + 370572.

It is an arithmetic number, because the mean of its divisors is an integer number (26660952).

Almost surely, 2^208843842 is an apocalyptic number.

208843842 is an abundant number, since it is smaller than the sum of its proper divisors (217731390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208843842 is a wasteful number, since it uses less digits than its factorization.

208843842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740633.

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 208843842 is about 14451.4304482290. The cubic root of 208843842 is about 593.2993757306.

The spelling of 208843842 in words is "two hundred eight million, eight hundred forty-three thousand, eight hundred forty-two".