238253943 has 8 divisors (see below), whose sum is σ = 322413568. Its totient is φ = 156465144.

The previous prime is 238253909. The next prime is 238253947. The reversal of 238253943 is 349352832.

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

It is not a de Polignac number, because 238253943 - 2²⁴ = 221476727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238253947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592471 + ... + 592872.

It is an arithmetic number, because the mean of its divisors is an integer number (40301696).

Almost surely, 2^238253943 is an apocalyptic number.

238253943 is a deficient number, since it is larger than the sum of its proper divisors (84159625).

238253943 is a wasteful number, since it uses less digits than its factorization.

238253943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185413.

The product of its digits is 155520, while the sum is 39.

The square root of 238253943 is about 15435.4767662032. The cubic root of 238253943 is about 619.9357746514.

The spelling of 238253943 in words is "two hundred thirty-eight million, two hundred fifty-three thousand, nine hundred forty-three".