6321393 has 24 divisors (see below), whose sum is σ = 9952488. Its totient is φ = 3843072.

The previous prime is 6321379. The next prime is 6321401. The reversal of 6321393 is 3931236.

It can be written as a sum of positive squares in 4 ways, for example, as 31329 + 6290064 = 177^2 + 2508^2 .

It is not a de Polignac number, because 6321393 - 2⁴ = 6321377 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6321323) 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 23 ways as a sum of consecutive naturals, for example, 11071 + ... + 11627.

It is an arithmetic number, because the mean of its divisors is an integer number (414687).

Almost surely, 2^6321393 is an apocalyptic number.

It is an amenable number.

6321393 is a deficient number, since it is larger than the sum of its proper divisors (3631095).

6321393 is a wasteful number, since it uses less digits than its factorization.

6321393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 670 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 6321393 is about 2514.2380555548. The cubic root of 6321393 is about 184.9002920220.

It can be divided in two parts, 632 and 1393, that added together give a square (2025 = 45²).

The spelling of 6321393 in words is "six million, three hundred twenty-one thousand, three hundred ninety-three".