206497968 has 20 divisors (see below), whose sum is σ = 533453208. Its totient is φ = 68832640.

The previous prime is 206497957. The next prime is 206497969. The reversal of 206497968 is 869794602.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 206497968.

It is not an unprimeable number, because it can be changed into a prime (206497969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150973 + ... + 2151068.

Almost surely, 2^206497968 is an apocalyptic number.

It is an amenable number.

206497968 is an abundant number, since it is smaller than the sum of its proper divisors (326955240).

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

206497968 is a wasteful number, since it uses less digits than its factorization.

206497968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302052 (or 4302046 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 206497968 is about 14370.0371607035. The cubic root of 206497968 is about 591.0695604406.

The spelling of 206497968 in words is "two hundred six million, four hundred ninety-seven thousand, nine hundred sixty-eight".