29321 has 4 divisors (see below), whose sum is σ = 29700. Its totient is φ = 28944.

The previous prime is 29311. The next prime is 29327. The reversal of 29321 is 12392.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10000 + 19321 = 100^2 + 139^2 .

It is a cyclic number.

It is not a de Polignac number, because 29321 - 2¹⁰ = 28297 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 29321.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 29321.

It is not an unprimeable number, because it can be changed into a prime (29327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 243.

It is an arithmetic number, because the mean of its divisors is an integer number (7425).

2²⁹³²¹ is an apocalyptic number.

It is an amenable number.

29321 is a deficient number, since it is larger than the sum of its proper divisors (379).

29321 is a wasteful number, since it uses less digits than its factorization.

29321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its digits is 108, while the sum is 17.

The square root of 29321 is about 171.2337583539. The cubic root of 29321 is about 30.8361104552.

The spelling of 29321 in words is "twenty-nine thousand, three hundred twenty-one".