238965679 has 4 divisors (see below), whose sum is σ = 251542840. Its totient is φ = 226388520.

The previous prime is 238965677. The next prime is 238965691. The reversal of 238965679 is 976569832.

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

It is a cyclic number.

It is not a de Polignac number, because 238965679 - 2¹ = 238965677 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 (238965673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6288552 + ... + 6288589.

It is an arithmetic number, because the mean of its divisors is an integer number (62885710).

Almost surely, 2^238965679 is an apocalyptic number.

238965679 is a deficient number, since it is larger than the sum of its proper divisors (12577161).

238965679 is a wasteful number, since it uses less digits than its factorization.

238965679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12577160.

The product of its digits is 4898880, while the sum is 55.

The square root of 238965679 is about 15458.5147734186. The cubic root of 238965679 is about 620.5524723479.

The spelling of 238965679 in words is "two hundred thirty-eight million, nine hundred sixty-five thousand, six hundred seventy-nine".