2084321 has 4 divisors (see below), whose sum is σ = 2140692. Its totient is φ = 2027952.

The previous prime is 2084311. The next prime is 2084333. The reversal of 2084321 is 1234802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1234802 = 2 ⋅617401.

It can be written as a sum of positive squares in 2 ways, for example, as 829921 + 1254400 = 911^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2084321 - 2¹⁰ = 2083297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2084293 and 2084302.

It is not an unprimeable number, because it can be changed into a prime (2084311) 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, 28130 + ... + 28203.

It is an arithmetic number, because the mean of its divisors is an integer number (535173).

2^2084321 is an apocalyptic number.

It is an amenable number.

2084321 is a deficient number, since it is larger than the sum of its proper divisors (56371).

2084321 is an equidigital number, since it uses as much as digits as its factorization.

2084321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56370.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2084321 is about 1443.7177702030. The cubic root of 2084321 is about 127.7384184312.

The spelling of 2084321 in words is "two million, eighty-four thousand, three hundred twenty-one".