238316664 has 64 divisors (see below), whose sum is σ = 630748800. Its totient is φ = 74906496.

The previous prime is 238316657. The next prime is 238316759. The reversal of 238316664 is 466613832.

238316664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25947 + ... + 33909.

It is an arithmetic number, because the mean of its divisors is an integer number (9855450).

Almost surely, 2^238316664 is an apocalyptic number.

238316664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238316664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315374400).

238316664 is an abundant number, since it is smaller than the sum of its proper divisors (392432136).

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

238316664 is a wasteful number, since it uses less digits than its factorization.

238316664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8044 (or 8040 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 238316664 is about 15437.5083481759. The cubic root of 238316664 is about 619.9901698060.

The spelling of 238316664 in words is "two hundred thirty-eight million, three hundred sixteen thousand, six hundred sixty-four".