208441589 has 4 divisors (see below), whose sum is σ = 215629260. Its totient is φ = 201253920.

The previous prime is 208441561. The next prime is 208441619. The reversal of 208441589 is 985144802.

208441589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128482225 + 79959364 = 11335^2 + 8942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208441589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208441529) 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, 3593792 + ... + 3593849.

It is an arithmetic number, because the mean of its divisors is an integer number (53907315).

Almost surely, 2^208441589 is an apocalyptic number.

208441589 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

208441589 is a deficient number, since it is larger than the sum of its proper divisors (7187671).

208441589 is an equidigital number, since it uses as much as digits as its factorization.

208441589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187670.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 208441589 is about 14437.5063290029. The cubic root of 208441589 is about 592.9182139964.

The spelling of 208441589 in words is "two hundred eight million, four hundred forty-one thousand, five hundred eighty-nine".