6396331 has 4 divisors (see below), whose sum is σ = 6733000. Its totient is φ = 6059664.

The previous prime is 6396307. The next prime is 6396347. The reversal of 6396331 is 1336936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6396331 - 2⁹ = 6395819 is a prime.

It is a super-2 number, since 2×6396331² = 81826100523122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

6396331 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 6396293 and 6396302.

It is not an unprimeable number, because it can be changed into a prime (6396361) 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, 168306 + ... + 168343.

It is an arithmetic number, because the mean of its divisors is an integer number (1683250).

Almost surely, 2^6396331 is an apocalyptic number.

6396331 is a deficient number, since it is larger than the sum of its proper divisors (336669).

6396331 is a wasteful number, since it uses less digits than its factorization.

6396331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336668.

The product of its digits is 8748, while the sum is 31.

The square root of 6396331 is about 2529.0968743803. The cubic root of 6396331 is about 185.6280674179.

The spelling of 6396331 in words is "six million, three hundred ninety-six thousand, three hundred thirty-one".