82334421 has 16 divisors (see below), whose sum is σ = 131360320. Its totient is φ = 50667120.

The previous prime is 82334359. The next prime is 82334443. The reversal of 82334421 is 12443328.

82334421 is a `hidden beast` number, since 8 + 233 + 4 + 421 = 666.

It is not a de Polignac number, because 82334421 - 2¹³ = 82326229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82330421) 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 15 ways as a sum of consecutive naturals, for example, 116935 + ... + 117636.

It is an arithmetic number, because the mean of its divisors is an integer number (8210020).

Almost surely, 2^82334421 is an apocalyptic number.

It is an amenable number.

82334421 is a deficient number, since it is larger than the sum of its proper divisors (49025899).

82334421 is a wasteful number, since it uses less digits than its factorization.

82334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234593 (or 234587 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 82334421 is about 9073.8316603296. The cubic root of 82334421 is about 435.0379515045.

Adding to 82334421 its reverse (12443328), we get a palindrome (94777749).

The spelling of 82334421 in words is "eighty-two million, three hundred thirty-four thousand, four hundred twenty-one".