6380609 has 4 divisors (see below), whose sum is σ = 6600660. Its totient is φ = 6160560.

The previous prime is 6380597. The next prime is 6380623. The reversal of 6380609 is 9060836.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4190209 + 2190400 = 2047^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 6380609 - 2¹⁶ = 6315073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6380629) 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, 109982 + ... + 110039.

It is an arithmetic number, because the mean of its divisors is an integer number (1650165).

Almost surely, 2^6380609 is an apocalyptic number.

It is an amenable number.

6380609 is a deficient number, since it is larger than the sum of its proper divisors (220051).

6380609 is a wasteful number, since it uses less digits than its factorization.

6380609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220050.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6380609 is about 2525.9867378908. The cubic root of 6380609 is about 185.4758531303.

The spelling of 6380609 in words is "six million, three hundred eighty thousand, six hundred nine".