6422393 has 4 divisors (see below), whose sum is σ = 6442128. Its totient is φ = 6402660.

The previous prime is 6422387. The next prime is 6422407. The reversal of 6422393 is 3932246.

6422393 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3932246 = 2 ⋅1966123.

It is a cyclic number.

It is not a de Polignac number, because 6422393 - 2¹⁰ = 6421369 is a prime.

It is a super-3 number, since 3×6422393³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 6² + 4⁶ + 2¹³ + 2¹⁵ + 3¹³ + 9 + 3¹⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9371 + ... + 10032.

It is an arithmetic number, because the mean of its divisors is an integer number (1610532).

Almost surely, 2^6422393 is an apocalyptic number.

It is an amenable number.

6422393 is a deficient number, since it is larger than the sum of its proper divisors (19735).

6422393 is a wasteful number, since it uses less digits than its factorization.

6422393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19734.

The product of its digits is 7776, while the sum is 29.

The square root of 6422393 is about 2534.2440687511. The cubic root of 6422393 is about 185.8798410725.

The spelling of 6422393 in words is "six million, four hundred twenty-two thousand, three hundred ninety-three".