208104512 has 112 divisors (see below), whose sum is σ = 520598400. Its totient is φ = 80847360.

The previous prime is 208104503. The next prime is 208104521. The reversal of 208104512 is 215401802.

It is an interprime number because it is at equal distance from previous prime (208104503) and next prime (208104521).

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596114 + ... + 596462.

It is an arithmetic number, because the mean of its divisors is an integer number (4648200).

Almost surely, 2^208104512 is an apocalyptic number.

208104512 is a gapful number since it is divisible by the number (22) 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 208104512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260299200).

208104512 is an abundant number, since it is smaller than the sum of its proper divisors (312493888).

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

208104512 is an equidigital number, since it uses as much as digits as its factorization.

208104512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 208104512 is about 14425.8279485096. The cubic root of 208104512 is about 592.5984330875.

The spelling of 208104512 in words is "two hundred eight million, one hundred four thousand, five hundred twelve".