206398 has 8 divisors (see below), whose sum is σ = 319680. Its totient is φ = 99840.

The previous prime is 206383. The next prime is 206399. The reversal of 206398 is 893602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206399) by changing a digit.

206398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603 + ... + 1726.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2²⁰⁶³⁹⁸ is an apocalyptic number.

206398 is a deficient number, since it is larger than the sum of its proper divisors (113282).

206398 is a wasteful number, since it uses less digits than its factorization.

206398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 206398 is about 454.3104665314. The cubic root of 206398 is about 59.0974163893.

The spelling of 206398 in words is "two hundred six thousand, three hundred ninety-eight".