206444328 has 64 divisors (see below), whose sum is σ = 556839360. Its totient is φ = 63538176.

The previous prime is 206444321. The next prime is 206444393. The reversal of 206444328 is 823444602.

It is not an unprimeable number, because it can be changed into a prime (206444321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16851 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (8700615).

Almost surely, 2^206444328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206444328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278419680).

206444328 is an abundant number, since it is smaller than the sum of its proper divisors (350395032).

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

206444328 is a wasteful number, since it uses less digits than its factorization.

206444328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9626 (or 9622 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 206444328 is about 14368.1706560021. The cubic root of 206444328 is about 591.0183771817.

The spelling of 206444328 in words is "two hundred six million, four hundred forty-four thousand, three hundred twenty-eight".