238138085 has 8 divisors (see below), whose sum is σ = 292411680. Its totient is φ = 186079824.

The previous prime is 238138051. The next prime is 238138093. The reversal of 238138085 is 580831832.

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

It is a cyclic number.

It is not a de Polignac number, because 238138085 - 2¹⁴ = 238121701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553595 + ... + 554024.

It is an arithmetic number, because the mean of its divisors is an integer number (36551460).

Almost surely, 2^238138085 is an apocalyptic number.

It is an amenable number.

238138085 is a deficient number, since it is larger than the sum of its proper divisors (54273595).

238138085 is a wasteful number, since it uses less digits than its factorization.

238138085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107667.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 238138085 is about 15431.7233321493. The cubic root of 238138085 is about 619.8352710130.

The spelling of 238138085 in words is "two hundred thirty-eight million, one hundred thirty-eight thousand, eighty-five".