6389946 has 12 divisors (see below), whose sum is σ = 13844922. Its totient is φ = 2129976.

The previous prime is 6389941. The next prime is 6389953. The reversal of 6389946 is 6499836.

6389946 is a `hidden beast` number, since 638 + 9 + 9 + 4 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 114921 = 2505^2 + 339^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6389941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177481 + ... + 177516.

Almost surely, 2^6389946 is an apocalyptic number.

6389946 is an abundant number, since it is smaller than the sum of its proper divisors (7454976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6389946 is a wasteful number, since it uses less digits than its factorization.

6389946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355005 (or 355002 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6389946 is about 2527.8342508954. The cubic root of 6389946 is about 185.5662804441.

It can be divided in two parts, 63 and 89946, that added together give a palindrome (90009).

The spelling of 6389946 in words is "six million, three hundred eighty-nine thousand, nine hundred forty-six".