208693628 has 96 divisors (see below), whose sum is σ = 464002560. Its totient is φ = 80720640.

The previous prime is 208693621. The next prime is 208693631. The reversal of 208693628 is 826396802.

208693628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

Together with 255308932 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208693621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381251 + ... + 381797.

It is an arithmetic number, because the mean of its divisors is an integer number (4833360).

Almost surely, 2^208693628 is an apocalyptic number.

It is an amenable number.

208693628 is an abundant number, since it is smaller than the sum of its proper divisors (255308932).

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

208693628 is a wasteful number, since it uses less digits than its factorization.

208693628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 208693628 is about 14446.2323115752. The cubic root of 208693628 is about 593.1570951833.

The spelling of 208693628 in words is "two hundred eight million, six hundred ninety-three thousand, six hundred twenty-eight".