206479238 has 12 divisors (see below), whose sum is σ = 360285372. Its totient is φ = 88491060.

The previous prime is 206479237. The next prime is 206479243. The reversal of 206479238 is 832974602.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206479195 and 206479204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206479237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1053368 + ... + 1053563.

It is an arithmetic number, because the mean of its divisors is an integer number (30023781).

Almost surely, 2^206479238 is an apocalyptic number.

206479238 is a deficient number, since it is larger than the sum of its proper divisors (153806134).

206479238 is a wasteful number, since it uses less digits than its factorization.

206479238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106947 (or 2106940 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 206479238 is about 14369.3854426694. The cubic root of 206479238 is about 591.0516892920.

The spelling of 206479238 in words is "two hundred six million, four hundred seventy-nine thousand, two hundred thirty-eight".