6380679 has 4 divisors (see below), whose sum is σ = 8507576. Its totient is φ = 4253784.

The previous prime is 6380669. The next prime is 6380681. The reversal of 6380679 is 9760836.

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

It is not a de Polignac number, because 6380679 - 2⁴ = 6380663 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063444 + ... + 1063449.

It is an arithmetic number, because the mean of its divisors is an integer number (2126894).

Almost surely, 2^6380679 is an apocalyptic number.

6380679 is a deficient number, since it is larger than the sum of its proper divisors (2126897).

6380679 is a wasteful number, since it uses less digits than its factorization.

6380679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126896.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6380679 is about 2526.0005938242. Note that the first 3 decimals coincide. The cubic root of 6380679 is about 185.4765313970.

The spelling of 6380679 in words is "six million, three hundred eighty thousand, six hundred seventy-nine".