238279673 has 4 divisors (see below), whose sum is σ = 238399140. Its totient is φ = 238160208.

The previous prime is 238279649. The next prime is 238279711. The reversal of 238279673 is 376972832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 233386729 + 4892944 = 15277^2 + 2212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238279673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238275673) 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 3 ways as a sum of consecutive naturals, for example, 56690 + ... + 60747.

It is an arithmetic number, because the mean of its divisors is an integer number (59599785).

Almost surely, 2^238279673 is an apocalyptic number.

It is an amenable number.

238279673 is a deficient number, since it is larger than the sum of its proper divisors (119467).

238279673 is a wasteful number, since it uses less digits than its factorization.

238279673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119466.

The product of its digits is 762048, while the sum is 47.

The square root of 238279673 is about 15436.3102132602. The cubic root of 238279673 is about 619.9580902993.

The spelling of 238279673 in words is "two hundred thirty-eight million, two hundred seventy-nine thousand, six hundred seventy-three".