208039104 has 392 divisors, whose sum is σ = 777341600. Its totient is φ = 54867456.

The previous prime is 208039079. The next prime is 208039141. The reversal of 208039104 is 401930802.

It is a tau number, because it is divible by the number of its divisors (392).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16003002 + ... + 16003014.

Almost surely, 2^208039104 is an apocalyptic number.

208039104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208039104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388670800).

208039104 is an abundant number, since it is smaller than the sum of its proper divisors (569302496).

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

208039104 is an frugal number, since it uses more digits than its factorization.

208039104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 208039104 is about 14423.5607254242. The cubic root of 208039104 is about 592.5363413056.

Adding to 208039104 its reverse (401930802), we get a palindrome (609969906).

The spelling of 208039104 in words is "two hundred eight million, thirty-nine thousand, one hundred four".