2088321 has 4 divisors (see below), whose sum is σ = 2784432. Its totient is φ = 1392212.

The previous prime is 2088301. The next prime is 2088329. The reversal of 2088321 is 1238802.

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.

It is a cyclic number.

It is not a de Polignac number, because 2088321 - 2⁹ = 2087809 is a prime.

It is a super-2 number, since 2×2088321² = 8722169198082, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 2088291 and 2088300.

It is not an unprimeable number, because it can be changed into a prime (2088329) 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 3 ways as a sum of consecutive naturals, for example, 348051 + ... + 348056.

It is an arithmetic number, because the mean of its divisors is an integer number (696108).

2^2088321 is an apocalyptic number.

It is an amenable number.

2088321 is a deficient number, since it is larger than the sum of its proper divisors (696111).

2088321 is an equidigital number, since it uses as much as digits as its factorization.

2088321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696110.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 2088321 is about 1445.1024185157. The cubic root of 2088321 is about 127.8200800637.

The spelling of 2088321 in words is "two million, eighty-eight thousand, three hundred twenty-one".