206971382 has 8 divisors (see below), whose sum is σ = 310521816. Its totient is φ = 103464112.

The previous prime is 206971381. The next prime is 206971397. The reversal of 206971382 is 283179602.

206971382 is digitally balanced in base 2, 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 (206971381) 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, 7193 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (38815227).

Almost surely, 2^206971382 is an apocalyptic number.

It is a pronic number, being equal to 14386×14387.

206971382 is a deficient number, since it is larger than the sum of its proper divisors (103550434).

206971382 is a wasteful number, since it uses less digits than its factorization.

206971382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21582.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 206971382 is about 14386.4999913113. The cubic root of 206971382 is about 591.5209079641.

The spelling of 206971382 in words is "two hundred six million, nine hundred seventy-one thousand, three hundred eighty-two".