8238561 has 8 divisors (see below), whose sum is σ = 11135520. Its totient is φ = 5416992.

The previous prime is 8238553. The next prime is 8238563. The reversal of 8238561 is 1658328.

It is a happy number.

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

It is not a de Polignac number, because 8238561 - 2³ = 8238553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8238563) 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, 18591 + ... + 19028.

It is an arithmetic number, because the mean of its divisors is an integer number (1391940).

Almost surely, 2^8238561 is an apocalyptic number.

It is an amenable number.

8238561 is a deficient number, since it is larger than the sum of its proper divisors (2896959).

8238561 is a wasteful number, since it uses less digits than its factorization.

8238561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37695.

The product of its digits is 11520, while the sum is 33.

The square root of 8238561 is about 2870.2893582355. The cubic root of 8238561 is about 201.9685684519.

The spelling of 8238561 in words is "eight million, two hundred thirty-eight thousand, five hundred sixty-one".