6396422 has 8 divisors (see below), whose sum is σ = 9817896. Its totient is φ = 3123792.

The previous prime is 6396409. The next prime is 6396433. The reversal of 6396422 is 2246936.

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 3¹⁴ + 9 + 6⁵ + 4¹⁰ + 2¹⁵ + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37103 + ... + 37274.

It is an arithmetic number, because the mean of its divisors is an integer number (1227237).

Almost surely, 2^6396422 is an apocalyptic number.

6396422 is a deficient number, since it is larger than the sum of its proper divisors (3421474).

6396422 is a wasteful number, since it uses less digits than its factorization.

6396422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74422.

The product of its digits is 15552, while the sum is 32.

The square root of 6396422 is about 2529.1148649280. The cubic root of 6396422 is about 185.6289477180.

The spelling of 6396422 in words is "six million, three hundred ninety-six thousand, four hundred twenty-two".