206391382 has 8 divisors (see below), whose sum is σ = 316174176. Its totient is φ = 100999992.

The previous prime is 206391377. The next prime is 206391389. The reversal of 206391382 is 283193602.

It is a happy number.

206391382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (206391389) 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, 1097733 + ... + 1097920.

It is an arithmetic number, because the mean of its divisors is an integer number (39521772).

Almost surely, 2^206391382 is an apocalyptic number.

206391382 is a deficient number, since it is larger than the sum of its proper divisors (109782794).

206391382 is a wasteful number, since it uses less digits than its factorization.

206391382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195702.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 206391382 is about 14366.3280625218. The cubic root of 206391382 is about 590.9678474420.

The spelling of 206391382 in words is "two hundred six million, three hundred ninety-one thousand, three hundred eighty-two".