6380965 has 4 divisors (see below), whose sum is σ = 7657164. Its totient is φ = 5104768.

The previous prime is 6380963. The next prime is 6380971. The reversal of 6380965 is 5690836.

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 2256004 + 4124961 = 1502^2 + 2031^2 .

It is a cyclic number.

It is not a de Polignac number, because 6380965 - 2¹ = 6380963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380963) 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, 638092 + ... + 638101.

It is an arithmetic number, because the mean of its divisors is an integer number (1914291).

Almost surely, 2^6380965 is an apocalyptic number.

It is an amenable number.

6380965 is a deficient number, since it is larger than the sum of its proper divisors (1276199).

6380965 is a wasteful number, since it uses less digits than its factorization.

6380965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276198.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6380965 is about 2526.0572044196. The cubic root of 6380965 is about 185.4793025490.

The spelling of 6380965 in words is "six million, three hundred eighty thousand, nine hundred sixty-five".