238218246 has 112 divisors (see below), whose sum is σ = 648769824. Its totient is φ = 64012032.

The previous prime is 238218179. The next prime is 238218251. The reversal of 238218246 is 642812832.

It is a self number, because there is not a number n which added to its sum of digits gives 238218246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 172816 + ... + 174188.

Almost surely, 2^238218246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238218246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324384912).

238218246 is an abundant number, since it is smaller than the sum of its proper divisors (410551578).

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

238218246 is a wasteful number, since it uses less digits than its factorization.

238218246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1402 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 238218246 is about 15434.3203932016. The cubic root of 238218246 is about 619.9048119562.

The spelling of 238218246 in words is "two hundred thirty-eight million, two hundred eighteen thousand, two hundred forty-six".