238720206 has 16 divisors (see below), whose sum is σ = 485268048. Its totient is φ = 78268800.

The previous prime is 238720193. The next prime is 238720211. The reversal of 238720206 is 602027832.

238720206 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325755 + ... + 326486.

It is an arithmetic number, because the mean of its divisors is an integer number (30329253).

Almost surely, 2^238720206 is an apocalyptic number.

238720206 is an abundant number, since it is smaller than the sum of its proper divisors (246547842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238720206 is a wasteful number, since it uses less digits than its factorization.

238720206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652307.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 238720206 is about 15450.5729990832. The cubic root of 238720206 is about 620.3399159305.

The spelling of 238720206 in words is "two hundred thirty-eight million, seven hundred twenty thousand, two hundred six".