6389973 has 12 divisors (see below), whose sum is σ = 9455628. Its totient is φ = 4155840.

The previous prime is 6389963. The next prime is 6389983. The reversal of 6389973 is 3799836.

It is a happy number.

6389973 is a `hidden beast` number, since 638 + 9 + 9 + 7 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (6389963) and next prime (6389983).

It can be written as a sum of positive squares in 2 ways, for example, as 2634129 + 3755844 = 1623^2 + 1938^2 .

It is not a de Polignac number, because 6389973 - 2⁵ = 6389941 is a prime.

It is a Curzon number.

6389973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8290 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (787969).

Almost surely, 2^6389973 is an apocalyptic number.

It is an amenable number.

6389973 is a deficient number, since it is larger than the sum of its proper divisors (3065655).

6389973 is a wasteful number, since it uses less digits than its factorization.

6389973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17364 (or 17361 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 6389973 is about 2527.8395914298. The cubic root of 6389973 is about 185.5665418069.

The spelling of 6389973 in words is "six million, three hundred eighty-nine thousand, nine hundred seventy-three".