208801056 has 48 divisors (see below), whose sum is σ = 548862048. Its totient is φ = 69504000.

The previous prime is 208801007. The next prime is 208801063. The reversal of 208801056 is 650108802.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114391 + ... + 116201.

It is an arithmetic number, because the mean of its divisors is an integer number (11434626).

Almost surely, 2^208801056 is an apocalyptic number.

It is an amenable number.

208801056 is an abundant number, since it is smaller than the sum of its proper divisors (340060992).

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

208801056 is a wasteful number, since it uses less digits than its factorization.

208801056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 208801056 is about 14449.9500345157. The cubic root of 208801056 is about 593.2588563955.

Adding to 208801056 its reverse (650108802), we get a palindrome (858909858).

The spelling of 208801056 in words is "two hundred eight million, eight hundred one thousand, fifty-six".