208008424 has 16 divisors (see below), whose sum is σ = 420017220. Its totient is φ = 96003840.

The previous prime is 208008391. The next prime is 208008433. The reversal of 208008424 is 424800802.

It can be written as a sum of positive squares in 2 ways, for example, as 174715524 + 33292900 = 13218^2 + 5770^2 .

It is a junction number, because it is equal to n+sod(n) for n = 208008392 and 208008401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999937 + ... + 1000144.

Almost surely, 2^208008424 is an apocalyptic number.

It is an amenable number.

208008424 is an abundant number, since it is smaller than the sum of its proper divisors (212008796).

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

208008424 is a wasteful number, since it uses less digits than its factorization.

208008424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000100 (or 2000096 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 208008424 is about 14422.4971485523. The cubic root of 208008424 is about 592.5072123129.

The spelling of 208008424 in words is "two hundred eight million, eight thousand, four hundred twenty-four".