206604648 has 32 divisors (see below), whose sum is σ = 573902400. Its totient is φ = 68868144.

The previous prime is 206604641. The next prime is 206604701. The reversal of 206604648 is 846406602.

It is a happy number.

206604648 is a `hidden beast` number, since 2 + 0 + 6 + 6 + 0 + 4 + 648 = 666.

206604648 is digitally balanced in base 3, 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 (36).

It is not an unprimeable number, because it can be changed into a prime (206604641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478036 + ... + 478467.

It is an arithmetic number, because the mean of its divisors is an integer number (17934450).

Almost surely, 2^206604648 is an apocalyptic number.

It is an amenable number.

206604648 is an abundant number, since it is smaller than the sum of its proper divisors (367297752).

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

206604648 is a wasteful number, since it uses less digits than its factorization.

206604648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956518 (or 956508 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 206604648 is about 14373.7485716149. The cubic root of 206604648 is about 591.1713281012.

The spelling of 206604648 in words is "two hundred six million, six hundred four thousand, six hundred forty-eight".