206896355 has 4 divisors (see below), whose sum is σ = 248275632. Its totient is φ = 165517080.

The previous prime is 206896337. The next prime is 206896363. The reversal of 206896355 is 553698602.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 206896355 - 2⁸ = 206896099 is a prime.

It is a super-2 number, since 2×206896355² = 85612203424572050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20689631 + ... + 20689640.

It is an arithmetic number, because the mean of its divisors is an integer number (62068908).

Almost surely, 2^206896355 is an apocalyptic number.

206896355 is a deficient number, since it is larger than the sum of its proper divisors (41379277).

206896355 is an equidigital number, since it uses as much as digits as its factorization.

206896355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41379276.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 206896355 is about 14383.8922062146. The cubic root of 206896355 is about 591.4494240027.

The spelling of 206896355 in words is "two hundred six million, eight hundred ninety-six thousand, three hundred fifty-five".