2029321 has 8 divisors (see below), whose sum is σ = 2337984. Its totient is φ = 1725360.

The previous prime is 2029301. The next prime is 2029331. The reversal of 2029321 is 1239202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2029321 - 2⁹ = 2028809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2029301) 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, 190 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (292248).

2^2029321 is an apocalyptic number.

It is an amenable number.

2029321 is a deficient number, since it is larger than the sum of its proper divisors (308663).

2029321 is a wasteful number, since it uses less digits than its factorization.

2029321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2029321 is about 1424.5423826619. The cubic root of 2029321 is about 126.6048228419.

Subtracting from 2029321 its product of nonzero digits (216), we obtain a triangular number (2029105 = T₂₀₁₄).

The spelling of 2029321 in words is "two million, twenty-nine thousand, three hundred twenty-one".