238071843 has 12 divisors (see below), whose sum is σ = 361980840. Its totient is φ = 150361056.

The previous prime is 238071809. The next prime is 238071851. The reversal of 238071843 is 348170832.

It is not a de Polignac number, because 238071843 - 2⁹ = 238071331 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 238071798 and 238071807.

It is not an unprimeable number, because it can be changed into a prime (238071943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 695946 + ... + 696287.

It is an arithmetic number, because the mean of its divisors is an integer number (30165070).

Almost surely, 2^238071843 is an apocalyptic number.

238071843 is a deficient number, since it is larger than the sum of its proper divisors (123908997).

238071843 is a wasteful number, since it uses less digits than its factorization.

238071843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392258 (or 1392255 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 238071843 is about 15429.5768898567. The cubic root of 238071843 is about 619.7777932465. Note that the first 4 decimals are identical.

The spelling of 238071843 in words is "two hundred thirty-eight million, seventy-one thousand, eight hundred forty-three".