208913412 has 12 divisors (see below), whose sum is σ = 487464656. Its totient is φ = 69637800.

The previous prime is 208913401. The next prime is 208913413. The reversal of 208913412 is 214319802.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 208913412.

It is not an unprimeable number, because it can be changed into a prime (208913413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8704714 + ... + 8704737.

Almost surely, 2^208913412 is an apocalyptic number.

It is an amenable number.

208913412 is an abundant number, since it is smaller than the sum of its proper divisors (278551244).

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

208913412 is a wasteful number, since it uses less digits than its factorization.

208913412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409458 (or 17409456 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 208913412 is about 14453.8372759624. The cubic root of 208913412 is about 593.3652483219.

The spelling of 208913412 in words is "two hundred eight million, nine hundred thirteen thousand, four hundred twelve".