238810945 has 8 divisors (see below), whose sum is σ = 288014400. Its totient is φ = 190087920.

The previous prime is 238810939. The next prime is 238810961. The reversal of 238810945 is 549018832.

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

It is not a de Polignac number, because 238810945 - 2²¹ = 236713793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238810898 and 238810907.

It is an unprimeable number.

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, 119011 + ... + 121000.

It is an arithmetic number, because the mean of its divisors is an integer number (36001800).

Almost surely, 2^238810945 is an apocalyptic number.

It is an amenable number.

238810945 is a deficient number, since it is larger than the sum of its proper divisors (49203455).

238810945 is a wasteful number, since it uses less digits than its factorization.

238810945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240215.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 238810945 is about 15453.5091484103. The cubic root of 238810945 is about 620.4185042971.

The spelling of 238810945 in words is "two hundred thirty-eight million, eight hundred ten thousand, nine hundred forty-five".