82844641 has 8 divisors (see below), whose sum is σ = 92580768. Its totient is φ = 73476000.

The previous prime is 82844639. The next prime is 82844653. The reversal of 82844641 is 14644828.

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 82844641 - 2¹ = 82844639 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 82844641.

It is not an unprimeable number, because it can be changed into a prime (82844441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91395 + ... + 92296.

It is an arithmetic number, because the mean of its divisors is an integer number (11572596).

Almost surely, 2^82844641 is an apocalyptic number.

It is an amenable number.

82844641 is a deficient number, since it is larger than the sum of its proper divisors (9736127).

82844641 is a wasteful number, since it uses less digits than its factorization.

82844641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183743.

The product of its digits is 49152, while the sum is 37.

The square root of 82844641 is about 9101.9031526379. The cubic root of 82844641 is about 435.9347337286.

The spelling of 82844641 in words is "eighty-two million, eight hundred forty-four thousand, six hundred forty-one".