238075681 has 8 divisors (see below), whose sum is σ = 252146720. Its totient is φ = 224158752.

The previous prime is 238075661. The next prime is 238075693. The reversal of 238075681 is 186570832.

238075681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238075681 is a prime.

It is a super-2 number, since 2×238075681² = 113360059767227522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238075631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35340 + ... + 41533.

It is an arithmetic number, because the mean of its divisors is an integer number (31518340).

Almost surely, 2^238075681 is an apocalyptic number.

It is an amenable number.

238075681 is a deficient number, since it is larger than the sum of its proper divisors (14071039).

238075681 is a wasteful number, since it uses less digits than its factorization.

238075681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77055.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 238075681 is about 15429.7012608799. The cubic root of 238075681 is about 619.7811237459.

The spelling of 238075681 in words is "two hundred thirty-eight million, seventy-five thousand, six hundred eighty-one".