238535585 has 16 divisors (see below), whose sum is σ = 313534800. Its totient is φ = 173408256.

The previous prime is 238535573. The next prime is 238535587. The reversal of 238535585 is 585535832.

It can be written as a sum of positive squares in 8 ways, for example, as 1745041 + 236790544 = 1321^2 + 15388^2 .

It is a cyclic number.

It is not a de Polignac number, because 238535585 - 2¹⁰ = 238534561 is a prime.

It is a super-2 number, since 2×238535585² = 113798450622584450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238535587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45920 + ... + 50849.

It is an arithmetic number, because the mean of its divisors is an integer number (19595925).

Almost surely, 2^238535585 is an apocalyptic number.

It is an amenable number.

238535585 is a deficient number, since it is larger than the sum of its proper divisors (74999215).

238535585 is a wasteful number, since it uses less digits than its factorization.

238535585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96820.

The product of its digits is 720000, while the sum is 44.

The square root of 238535585 is about 15444.5972754229. The cubic root of 238535585 is about 620.1799555670.

The spelling of 238535585 in words is "two hundred thirty-eight million, five hundred thirty-five thousand, five hundred eighty-five".