6386456 has 32 divisors (see below), whose sum is σ = 12722400. Its totient is φ = 2999040.

The previous prime is 6386453. The next prime is 6386473. The reversal of 6386456 is 6546836.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 6⁴ + 3³ + 8⁷ + 6⁵ + 4¹¹ + 5⁷ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6386453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10940 + ... + 11508.

It is an arithmetic number, because the mean of its divisors is an integer number (397575).

Almost surely, 2^6386456 is an apocalyptic number.

It is an amenable number.

6386456 is a deficient number, since it is larger than the sum of its proper divisors (6335944).

6386456 is a wasteful number, since it uses less digits than its factorization.

6386456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 655 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 6386456 is about 2527.1438423643. The cubic root of 6386456 is about 185.5324906823.

The spelling of 6386456 in words is "six million, three hundred eighty-six thousand, four hundred fifty-six".