32104321 has 4 divisors (see below), whose sum is σ = 32121792. Its totient is φ = 32086852.

The previous prime is 32104253. The next prime is 32104327. The reversal of 32104321 is 12340123.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12340123 = 229 ⋅53887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32104321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32104295 and 32104304.

It is not an unprimeable number, because it can be changed into a prime (32104327) 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, 5605 + ... + 9778.

It is an arithmetic number, because the mean of its divisors is an integer number (8030448).

Almost surely, 2^32104321 is an apocalyptic number.

It is an amenable number.

32104321 is a deficient number, since it is larger than the sum of its proper divisors (17471).

32104321 is a wasteful number, since it uses less digits than its factorization.

32104321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17470.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 32104321 is about 5666.0675075400. The cubic root of 32104321 is about 317.8248346383.

Adding to 32104321 its reverse (12340123), we get a palindrome (44444444).

The spelling of 32104321 in words is "thirty-two million, one hundred four thousand, three hundred twenty-one".