238791745 has 8 divisors (see below), whose sum is σ = 287836416. Its totient is φ = 190175856.

The previous prime is 238791743. The next prime is 238791767. The reversal of 238791745 is 547197832.

238791745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 238791745 - 2¹ = 238791743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238791695 and 238791704.

It is not an unprimeable number, because it can be changed into a prime (238791743) 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, 105967 + ... + 108196.

It is an arithmetic number, because the mean of its divisors is an integer number (35979552).

Almost surely, 2^238791745 is an apocalyptic number.

It is an amenable number.

238791745 is a deficient number, since it is larger than the sum of its proper divisors (49044671).

238791745 is a wasteful number, since it uses less digits than its factorization.

238791745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214391.

The product of its digits is 423360, while the sum is 46.

The square root of 238791745 is about 15452.8879177971. The cubic root of 238791745 is about 620.4018769820.

The spelling of 238791745 in words is "two hundred thirty-eight million, seven hundred ninety-one thousand, seven hundred forty-five".