6396215 has 12 divisors (see below), whose sum is σ = 8928936. Its totient is φ = 4385808.

The previous prime is 6396191. The next prime is 6396223. The reversal of 6396215 is 5126936.

It is a happy number.

It is not a de Polignac number, because 6396215 - 2⁶ = 6396151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12809 + ... + 13298.

It is an arithmetic number, because the mean of its divisors is an integer number (744078).

Almost surely, 2^6396215 is an apocalyptic number.

6396215 is a deficient number, since it is larger than the sum of its proper divisors (2532721).

6396215 is a wasteful number, since it uses less digits than its factorization.

6396215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26126 (or 26119 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 6396215 is about 2529.0739411888. The cubic root of 6396215 is about 185.6269452649.

It can be divided in two parts, 6 and 396215, that multiplied together give a triangular number (2377290 = T₂₁₈₀).

The spelling of 6396215 in words is "six million, three hundred ninety-six thousand, two hundred fifteen".