2380321 has 4 divisors (see below), whose sum is σ = 2444692. Its totient is φ = 2315952.

The previous prime is 2380303. The next prime is 2380333. The reversal of 2380321 is 1230832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2250000 + 130321 = 1500^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2380321 - 2⁹ = 2379809 is a prime.

It is a Duffinian number.

2380321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2380121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32130 + ... + 32203.

It is an arithmetic number, because the mean of its divisors is an integer number (611173).

2^2380321 is an apocalyptic number.

It is an amenable number.

2380321 is a deficient number, since it is larger than the sum of its proper divisors (64371).

2380321 is an equidigital number, since it uses as much as digits as its factorization.

2380321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64370.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2380321 is about 1542.8288952441. The cubic root of 2380321 is about 133.5196471713.

It can be divided in two parts, 2380 and 321, that added together give a triangular number (2701 = T₇₃).

The spelling of 2380321 in words is "two million, three hundred eighty thousand, three hundred twenty-one".