238930534 has 32 divisors (see below), whose sum is σ = 383537952. Its totient is φ = 111456000.

The previous prime is 238930513. The next prime is 238930541. The reversal of 238930534 is 435039832.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 238930493 and 238930502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184429 + ... + 185719.

It is an arithmetic number, because the mean of its divisors is an integer number (11985561).

Almost surely, 2^238930534 is an apocalyptic number.

238930534 is a deficient number, since it is larger than the sum of its proper divisors (144607418).

238930534 is a wasteful number, since it uses less digits than its factorization.

238930534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 238930534 is about 15457.3779794634. The cubic root of 238930534 is about 620.5220490308.

It can be divided in two parts, 2389 and 30534, that added together give a palindrome (32923).

The spelling of 238930534 in words is "two hundred thirty-eight million, nine hundred thirty thousand, five hundred thirty-four".