6348665 has 4 divisors (see below), whose sum is σ = 7618404. Its totient is φ = 5078928.

The previous prime is 6348647. The next prime is 6348673. The reversal of 6348665 is 5668436.

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 1236544 + 5112121 = 1112^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 6348665 - 2¹⁰ = 6347641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634862 + ... + 634871.

It is an arithmetic number, because the mean of its divisors is an integer number (1904601).

Almost surely, 2^6348665 is an apocalyptic number.

It is an amenable number.

6348665 is a deficient number, since it is larger than the sum of its proper divisors (1269739).

6348665 is a wasteful number, since it uses less digits than its factorization.

6348665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269738.

The product of its digits is 103680, while the sum is 38.

The square root of 6348665 is about 2519.6557304521. The cubic root of 6348665 is about 185.1658118968.

The spelling of 6348665 in words is "six million, three hundred forty-eight thousand, six hundred sixty-five".