208628632 has 16 divisors (see below), whose sum is σ = 391562640. Its totient is φ = 104211936.

The previous prime is 208628621. The next prime is 208628633. The reversal of 208628632 is 236826802.

It is a junction number, because it is equal to n+sod(n) for n = 208628591 and 208628600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208628633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3763 + ... + 20770.

It is an arithmetic number, because the mean of its divisors is an integer number (24472665).

Almost surely, 2^208628632 is an apocalyptic number.

It is an amenable number.

208628632 is a deficient number, since it is larger than the sum of its proper divisors (182934008).

208628632 is a wasteful number, since it uses less digits than its factorization.

208628632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25602 (or 25598 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 208628632 is about 14443.9825532988. The cubic root of 208628632 is about 593.0955107418.

The spelling of 208628632 in words is "two hundred eight million, six hundred twenty-eight thousand, six hundred thirty-two".