206568396 has 18 divisors (see below), whose sum is σ = 522159092. Its totient is φ = 68856120.

The previous prime is 206568389. The next prime is 206568403. The reversal of 206568396 is 693865602.

It is a happy number.

206568396 is a `hidden beast` number, since 206 + 56 + 8 + 396 = 666.

It is an interprime number because it is at equal distance from previous prime (206568389) and next prime (206568403).

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2868970 + ... + 2869041.

Almost surely, 2^206568396 is an apocalyptic number.

It is an amenable number.

206568396 is an abundant number, since it is smaller than the sum of its proper divisors (315590696).

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

206568396 is a wasteful number, since it uses less digits than its factorization.

206568396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738021 (or 5738016 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 206568396 is about 14372.4874673802. The cubic root of 206568396 is about 591.1367493429.

The spelling of 206568396 in words is "two hundred six million, five hundred sixty-eight thousand, three hundred ninety-six".