3164321 has 4 divisors (see below), whose sum is σ = 3167892. Its totient is φ = 3160752.

The previous prime is 3164303. The next prime is 3164323. The reversal of 3164321 is 1234613.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 929296 + 2235025 = 964^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3164321 - 2¹⁰ = 3163297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3164293 and 3164302.

It is not an unprimeable number, because it can be changed into a prime (3164323) 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, 671 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (791973).

Almost surely, 2^3164321 is an apocalyptic number.

It is an amenable number.

3164321 is a deficient number, since it is larger than the sum of its proper divisors (3571).

3164321 is a wasteful number, since it uses less digits than its factorization.

3164321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570.

The product of its digits is 432, while the sum is 20.

The square root of 3164321 is about 1778.8538444740. The cubic root of 3164321 is about 146.8115344331.

Adding to 3164321 its reverse (1234613), we get a palindrome (4398934).

The spelling of 3164321 in words is "three million, one hundred sixty-four thousand, three hundred twenty-one".