206945696 has 24 divisors (see below), whose sum is σ = 417364164. Its totient is φ = 100948480.

The previous prime is 206945693. The next prime is 206945771. The reversal of 206945696 is 696549602.

206945696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 180526096 + 26419600 = 13436^2 + 5140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 206945696.

It is not an unprimeable number, because it can be changed into a prime (206945693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77555 + ... + 80178.

Almost surely, 2^206945696 is an apocalyptic number.

It is an amenable number.

206945696 is an abundant number, since it is smaller than the sum of its proper divisors (210418468).

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

206945696 is a wasteful number, since it uses less digits than its factorization.

206945696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157784 (or 157776 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 206945696 is about 14385.6072516943. The cubic root of 206945696 is about 591.4964368923.

The spelling of 206945696 in words is "two hundred six million, nine hundred forty-five thousand, six hundred ninety-six".