238770 has 48 divisors (see below), whose sum is σ = 711360. Its totient is φ = 54432.

The previous prime is 238759. The next prime is 238781. The reversal of 238770 is 77832.

238770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238759) and next prime (238781).

It is a super-2 number, since 2×238770² = 114022225800, which contains 22 as substring.

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, 441 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (14820).

2²³⁸⁷⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355680).

238770 is an abundant number, since it is smaller than the sum of its proper divisors (472590).

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

238770 is a wasteful number, since it uses less digits than its factorization.

238770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 238770 is about 488.6409724941. The cubic root of 238770 is about 62.0383044605.

The spelling of 238770 in words is "two hundred thirty-eight thousand, seven hundred seventy".