238885812 has 72 divisors (see below), whose sum is σ = 674113440. Its totient is φ = 70701120.

The previous prime is 238885807. The next prime is 238885837. The reversal of 238885812 is 218588832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10014 + ... + 24042.

Almost surely, 2^238885812 is an apocalyptic number.

238885812 is a gapful number since it is divisible by the number (22) 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 238885812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337056720).

238885812 is an abundant number, since it is smaller than the sum of its proper divisors (435227628).

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

238885812 is a wasteful number, since it uses less digits than its factorization.

238885812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14093 (or 14088 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 238885812 is about 15455.9312886671. The cubic root of 238885812 is about 620.4833310566.

The spelling of 238885812 in words is "two hundred thirty-eight million, eight hundred eighty-five thousand, eight hundred twelve".