6379665 has 16 divisors (see below), whose sum is σ = 10310976. Its totient is φ = 3368000.

The previous prime is 6379621. The next prime is 6379691. The reversal of 6379665 is 5669736.

It is not a de Polignac number, because 6379665 - 2⁶ = 6379601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591 + ... + 3620.

It is an arithmetic number, because the mean of its divisors is an integer number (644436).

Almost surely, 2^6379665 is an apocalyptic number.

It is an amenable number.

6379665 is a deficient number, since it is larger than the sum of its proper divisors (3931311).

6379665 is a wasteful number, since it uses less digits than its factorization.

6379665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320.

The product of its digits is 204120, while the sum is 42.

The square root of 6379665 is about 2525.7998733075. The cubic root of 6379665 is about 185.4667057360.

The spelling of 6379665 in words is "six million, three hundred seventy-nine thousand, six hundred sixty-five".