238724841 has 8 divisors (see below), whose sum is σ = 318409120. Its totient is φ = 159095232.

The previous prime is 238724833. The next prime is 238724869. The reversal of 238724841 is 148427832.

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

It is not a de Polignac number, because 238724841 - 2³ = 238724833 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 238724841.

It is not an unprimeable number, because it can be changed into a prime (238724041) 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, 2071 + ... + 21948.

It is an arithmetic number, because the mean of its divisors is an integer number (39801140).

Almost surely, 2^238724841 is an apocalyptic number.

It is an amenable number.

238724841 is a deficient number, since it is larger than the sum of its proper divisors (79684279).

238724841 is a wasteful number, since it uses less digits than its factorization.

238724841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27335.

The product of its digits is 86016, while the sum is 39.

The square root of 238724841 is about 15450.7229927923. The cubic root of 238724841 is about 620.3439307518.

The spelling of 238724841 in words is "two hundred thirty-eight million, seven hundred twenty-four thousand, eight hundred forty-one".