206313979 has 8 divisors (see below), whose sum is σ = 215983872. Its totient is φ = 196702440.

The previous prime is 206313977. The next prime is 206314007. The reversal of 206313979 is 979313602.

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

It is not a de Polignac number, because 206313979 - 2¹ = 206313977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206313977) 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, 7269 + ... + 21574.

It is an arithmetic number, because the mean of its divisors is an integer number (26997984).

Almost surely, 2^206313979 is an apocalyptic number.

206313979 is a deficient number, since it is larger than the sum of its proper divisors (9669893).

206313979 is a wasteful number, since it uses less digits than its factorization.

206313979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29177.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 206313979 is about 14363.6339065015. The cubic root of 206313979 is about 590.8939612759.

The spelling of 206313979 in words is "two hundred six million, three hundred thirteen thousand, nine hundred seventy-nine".