206608896 has 120 divisors (see below), whose sum is σ = 642341700. Its totient is φ = 63553536.

The previous prime is 206608859. The next prime is 206608943. The reversal of 206608896 is 698806602.

It can be written as a sum of positive squares in 2 ways, for example, as 149817600 + 56791296 = 12240^2 + 7536^2 .

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, 58180 + ... + 61628.

Almost surely, 2^206608896 is an apocalyptic number.

206608896 is a gapful number since it is divisible by the number (26) 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 206608896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321170850).

206608896 is an abundant number, since it is smaller than the sum of its proper divisors (435732804).

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

206608896 is a wasteful number, since it uses less digits than its factorization.

206608896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3486 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 206608896 is about 14373.8963402412. The cubic root of 206608896 is about 591.1753797664.

The spelling of 206608896 in words is "two hundred six million, six hundred eight thousand, eight hundred ninety-six".