238616541 has 6 divisors (see below), whose sum is σ = 344668350. Its totient is φ = 159077688.

The previous prime is 238616507. The next prime is 238616549. The reversal of 238616541 is 145616832.

It is a happy number.

238616541 is a `hidden beast` number, since 2 + 38 + 616 + 5 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 238054041 + 562500 = 15429^2 + 750^2 .

It is not a de Polignac number, because 238616541 - 2¹⁵ = 238583773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238616496 and 238616505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238616549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13256466 + ... + 13256483.

It is an arithmetic number, because the mean of its divisors is an integer number (57444725).

Almost surely, 2^238616541 is an apocalyptic number.

It is an amenable number.

238616541 is a deficient number, since it is larger than the sum of its proper divisors (106051809).

238616541 is a wasteful number, since it uses less digits than its factorization.

238616541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26512955 (or 26512952 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 238616541 is about 15447.2179048526. The cubic root of 238616541 is about 620.2501080765.

The spelling of 238616541 in words is "two hundred thirty-eight million, six hundred sixteen thousand, five hundred forty-one".