238678761 has 8 divisors (see below), whose sum is σ = 318936544. Its totient is φ = 158770080.

The previous prime is 238678733. The next prime is 238678763. The reversal of 238678761 is 167876832.

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

It is not a de Polignac number, because 238678761 - 2⁶ = 238678697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238678761.

It is not an unprimeable number, because it can be changed into a prime (238678763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85675 + ... + 88416.

It is an arithmetic number, because the mean of its divisors is an integer number (39867068).

Almost surely, 2^238678761 is an apocalyptic number.

It is an amenable number.

238678761 is a deficient number, since it is larger than the sum of its proper divisors (80257783).

238678761 is a wasteful number, since it uses less digits than its factorization.

238678761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174551.

The product of its digits is 677376, while the sum is 48.

The square root of 238678761 is about 15449.2317284712. The cubic root of 238678761 is about 620.3040141018.

The spelling of 238678761 in words is "two hundred thirty-eight million, six hundred seventy-eight thousand, seven hundred sixty-one".