2389321 has 8 divisors (see below), whose sum is σ = 2638944. Its totient is φ = 2145120.

The previous prime is 2389319. The next prime is 2389351. The reversal of 2389321 is 1239832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2389321 - 2¹ = 2389319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2389321.

It is not an unprimeable number, because it can be changed into a prime (2389351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (329868).

2^2389321 is an apocalyptic number.

It is an amenable number.

2389321 is a deficient number, since it is larger than the sum of its proper divisors (249623).

2389321 is a wasteful number, since it uses less digits than its factorization.

2389321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its digits is 2592, while the sum is 28.

The square root of 2389321 is about 1545.7428634802. The cubic root of 2389321 is about 133.6877149072.

It can be divided in two parts, 238 and 9321, that added together give a palindrome (9559).

The spelling of 2389321 in words is "two million, three hundred eighty-nine thousand, three hundred twenty-one".