6398386 has 16 divisors (see below), whose sum is σ = 10031040. Its totient is φ = 3057040.

The previous prime is 6398339. The next prime is 6398389. The reversal of 6398386 is 6838936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6398389) 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, 5691 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (626940).

Almost surely, 2^6398386 is an apocalyptic number.

6398386 is a deficient number, since it is larger than the sum of its proper divisors (3632654).

6398386 is a wasteful number, since it uses less digits than its factorization.

6398386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 186624, while the sum is 43.

The square root of 6398386 is about 2529.5031132616. The cubic root of 6398386 is about 185.6479446899.

It can be divided in two parts, 639 and 8386, that added together give a square (9025 = 95²).

The spelling of 6398386 in words is "six million, three hundred ninety-eight thousand, three hundred eighty-six".