208530648 has 48 divisors (see below), whose sum is σ = 584251200. Its totient is φ = 67112640.

The previous prime is 208530629. The next prime is 208530659. The reversal of 208530648 is 846035802.

208530648 is a `hidden beast` number, since 2 + 0 + 8 + 5 + 3 + 0 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47848 + ... + 52023.

It is an arithmetic number, because the mean of its divisors is an integer number (12171900).

Almost surely, 2^208530648 is an apocalyptic number.

It is an amenable number.

208530648 is an abundant number, since it is smaller than the sum of its proper divisors (375720552).

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

208530648 is a wasteful number, since it uses less digits than its factorization.

208530648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99912 (or 99905 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 208530648 is about 14440.5902926439. The cubic root of 208530648 is about 593.0026456187.

The spelling of 208530648 in words is "two hundred eight million, five hundred thirty thousand, six hundred forty-eight".