238216308 has 96 divisors (see below), whose sum is σ = 650280960. Its totient is φ = 67069440.

The previous prime is 238216271. The next prime is 238216327. The reversal of 238216308 is 803612832.

238216308 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

238216308 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185613 + ... + 186891.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 2^238216308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238216308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325140480).

238216308 is an abundant number, since it is smaller than the sum of its proper divisors (412064652).

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

238216308 is a wasteful number, since it uses less digits than its factorization.

238216308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 238216308 is about 15434.2576109122. The cubic root of 238216308 is about 619.9031308944.

The spelling of 238216308 in words is "two hundred thirty-eight million, two hundred sixteen thousand, three hundred eight".