238343685 has 16 divisors (see below), whose sum is σ = 383879040. Its totient is φ = 126273600.

The previous prime is 238343683. The next prime is 238343731. The reversal of 238343685 is 586343832.

It is a happy number.

It is not a de Polignac number, because 238343685 - 2¹ = 238343683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238343683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50350 + ... + 54879.

It is an arithmetic number, because the mean of its divisors is an integer number (23992440).

Almost surely, 2^238343685 is an apocalyptic number.

It is an amenable number.

238343685 is a deficient number, since it is larger than the sum of its proper divisors (145535355).

238343685 is a wasteful number, since it uses less digits than its factorization.

238343685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105388.

The product of its digits is 414720, while the sum is 42.

The square root of 238343685 is about 15438.3834969857. The cubic root of 238343685 is about 620.0136009850.

The spelling of 238343685 in words is "two hundred thirty-eight million, three hundred forty-three thousand, six hundred eighty-five".