2982321 has 6 divisors (see below), whose sum is σ = 4307810. Its totient is φ = 1988208.

The previous prime is 2982289. The next prime is 2982377. The reversal of 2982321 is 1232892.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2852721 + 129600 = 1689^2 + 360^2 .

It is not a de Polignac number, because 2982321 - 2⁵ = 2982289 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2982121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165676 + ... + 165693.

2^2982321 is an apocalyptic number.

It is an amenable number.

2982321 is a deficient number, since it is larger than the sum of its proper divisors (1325489).

2982321 is a wasteful number, since it uses less digits than its factorization.

2982321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331375 (or 331372 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2982321 is about 1726.9397789153. The cubic root of 2982321 is about 143.9410928038.

The spelling of 2982321 in words is "two million, nine hundred eighty-two thousand, three hundred twenty-one".