238938585 has 32 divisors (see below), whose sum is σ = 403397760. Its totient is φ = 120434688.

The previous prime is 238938551. The next prime is 238938619. The reversal of 238938585 is 585839832.

It is an interprime number because it is at equal distance from previous prime (238938551) and next prime (238938619).

It is not a de Polignac number, because 238938585 - 2¹⁰ = 238937561 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163719 + ... + 165171.

It is an arithmetic number, because the mean of its divisors is an integer number (12606180).

Almost surely, 2^238938585 is an apocalyptic number.

It is an amenable number.

238938585 is a deficient number, since it is larger than the sum of its proper divisors (164459175).

238938585 is a wasteful number, since it uses less digits than its factorization.

238938585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its digits is 2073600, while the sum is 51.

The square root of 238938585 is about 15457.6384030679. The cubic root of 238938585 is about 620.5290186533.

The spelling of 238938585 in words is "two hundred thirty-eight million, nine hundred thirty-eight thousand, five hundred eighty-five".