238842785 has 8 divisors (see below), whose sum is σ = 288052800. Its totient is φ = 190113264.

The previous prime is 238842781. The next prime is 238842829. The reversal of 238842785 is 587248832.

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

It is a cyclic number.

It is not a de Polignac number, because 238842785 - 2² = 238842781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238842781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119027 + ... + 121016.

It is an arithmetic number, because the mean of its divisors is an integer number (36006600).

Almost surely, 2^238842785 is an apocalyptic number.

It is an amenable number.

238842785 is a deficient number, since it is larger than the sum of its proper divisors (49210015).

238842785 is a wasteful number, since it uses less digits than its factorization.

238842785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240247.

The product of its digits is 860160, while the sum is 47.

The square root of 238842785 is about 15454.5393008009. The cubic root of 238842785 is about 620.4460759638.

The spelling of 238842785 in words is "two hundred thirty-eight million, eight hundred forty-two thousand, seven hundred eighty-five".