238439534 has 8 divisors (see below), whose sum is σ = 359513040. Its totient is φ = 118601856.

The previous prime is 238439503. The next prime is 238439563. The reversal of 238439534 is 435934832.

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

It is a super-2 number, since 2×238439534² = 113706822748274312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 238439491 and 238439500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308474 + ... + 309245.

It is an arithmetic number, because the mean of its divisors is an integer number (44939130).

Almost surely, 2^238439534 is an apocalyptic number.

238439534 is a deficient number, since it is larger than the sum of its proper divisors (121073506).

238439534 is a wasteful number, since it uses less digits than its factorization.

238439534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617914.

The product of its digits is 311040, while the sum is 41.

The square root of 238439534 is about 15441.4874283535. The cubic root of 238439534 is about 620.0967018780.

The spelling of 238439534 in words is "two hundred thirty-eight million, four hundred thirty-nine thousand, five hundred thirty-four".