2328021 has 20 divisors (see below), whose sum is σ = 3567564. Its totient is φ = 1512000.

The previous prime is 2327993. The next prime is 2328047. The reversal of 2328021 is 1208232.

It is a happy number.

2328021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 980100 + 1347921 = 990^2 + 1161^2 .

It is not a de Polignac number, because 2328021 - 2⁵ = 2327989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2327985 and 2328003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2328071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2971 + ... + 3671.

2^2328021 is an apocalyptic number.

It is an amenable number.

2328021 is a deficient number, since it is larger than the sum of its proper divisors (1239543).

2328021 is an equidigital number, since it uses as much as digits as its factorization.

2328021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2328021 is about 1525.7853715382. The cubic root of 2328021 is about 132.5345062615.

The spelling of 2328021 in words is "two million, three hundred twenty-eight thousand, twenty-one".