82239241 has 4 divisors (see below), whose sum is σ = 93987712. Its totient is φ = 70490772.

The previous prime is 82239221. The next prime is 82239247. The reversal of 82239241 is 14293228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82239241 - 2¹⁵ = 82206473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82239247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5874225 + ... + 5874238.

It is an arithmetic number, because the mean of its divisors is an integer number (23496928).

Almost surely, 2^82239241 is an apocalyptic number.

It is an amenable number.

82239241 is a deficient number, since it is larger than the sum of its proper divisors (11748471).

82239241 is a wasteful number, since it uses less digits than its factorization.

82239241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748470.

The product of its digits is 6912, while the sum is 31.

The square root of 82239241 is about 9068.5853913386. The cubic root of 82239241 is about 434.8702497597.

The spelling of 82239241 in words is "eighty-two million, two hundred thirty-nine thousand, two hundred forty-one".