206796989 has 8 divisors (see below), whose sum is σ = 242104128. Its totient is φ = 172931040.

The previous prime is 206796973. The next prime is 206797013. The reversal of 206796989 is 989697602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206796989 - 2⁴ = 206796973 is a prime.

It is a super-2 number, since 2×206796989² = 85529989318932242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206790989) 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, 359987 + ... + 360560.

It is an arithmetic number, because the mean of its divisors is an integer number (30263016).

Almost surely, 2^206796989 is an apocalyptic number.

It is an amenable number.

206796989 is a deficient number, since it is larger than the sum of its proper divisors (35307139).

206796989 is an equidigital number, since it uses as much as digits as its factorization.

206796989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720595.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 206796989 is about 14380.4377193464. The cubic root of 206796989 is about 591.3547238094.

The spelling of 206796989 in words is "two hundred six million, seven hundred ninety-six thousand, nine hundred eighty-nine".