208680432 has 40 divisors (see below), whose sum is σ = 540560640. Its totient is φ = 69370560.

The previous prime is 208680427. The next prime is 208680467. The reversal of 208680432 is 234086802.

208680432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 208680393 and 208680402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12457 + ... + 23927.

It is an arithmetic number, because the mean of its divisors is an integer number (13514016).

Almost surely, 2^208680432 is an apocalyptic number.

It is an amenable number.

208680432 is an abundant number, since it is smaller than the sum of its proper divisors (331880208).

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

208680432 is a wasteful number, since it uses less digits than its factorization.

208680432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11861 (or 11855 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 208680432 is about 14445.7755762714. The cubic root of 208680432 is about 593.1445928594.

The spelling of 208680432 in words is "two hundred eight million, six hundred eighty thousand, four hundred thirty-two".