238706261 has 8 divisors (see below), whose sum is σ = 240565248. Its totient is φ = 236854000.

The previous prime is 238706243. The next prime is 238706263. The reversal of 238706261 is 162607832.

It is a happy number.

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 238706261 - 2¹⁸ = 238444117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238706263) 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, 86696 + ... + 89406.

It is an arithmetic number, because the mean of its divisors is an integer number (30070656).

Almost surely, 2^238706261 is an apocalyptic number.

It is an amenable number.

238706261 is a deficient number, since it is larger than the sum of its proper divisors (1858987).

238706261 is a wasteful number, since it uses less digits than its factorization.

238706261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 238706261 is about 15450.1217147309. The cubic root of 238706261 is about 620.3278365053.

The spelling of 238706261 in words is "two hundred thirty-eight million, seven hundred six thousand, two hundred sixty-one".