238231206 has 40 divisors (see below), whose sum is σ = 535613760. Its totient is φ = 79142832.

The previous prime is 238231181. The next prime is 238231247. The reversal of 238231206 is 602132832.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 238231206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49035 + ... + 53673.

It is an arithmetic number, because the mean of its divisors is an integer number (13390344).

Almost surely, 2^238231206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238231206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267806880).

238231206 is an abundant number, since it is smaller than the sum of its proper divisors (297382554).

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

238231206 is a wasteful number, since it uses less digits than its factorization.

238231206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 238231206 is about 15434.7402310502. The cubic root of 238231206 is about 619.9160534973.

The spelling of 238231206 in words is "two hundred thirty-eight million, two hundred thirty-one thousand, two hundred six".