208620328 has 64 divisors (see below), whose sum is σ = 488678400. Its totient is φ = 81423360.

The previous prime is 208620271. The next prime is 208620331. The reversal of 208620328 is 823026802.

208620328 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 (31).

It is a self number, because there is not a number n which added to its sum of digits gives 208620328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25978 + ... + 33046.

It is an arithmetic number, because the mean of its divisors is an integer number (7635600).

Almost surely, 2^208620328 is an apocalyptic number.

208620328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208620328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244339200).

208620328 is an abundant number, since it is smaller than the sum of its proper divisors (280058072).

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

208620328 is a wasteful number, since it uses less digits than its factorization.

208620328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130 (or 7126 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 208620328 is about 14443.6950950925. The cubic root of 208620328 is about 593.0876416869.

The spelling of 208620328 in words is "two hundred eight million, six hundred twenty thousand, three hundred twenty-eight".