6380839 has 4 divisors (see below), whose sum is σ = 6386800. Its totient is φ = 6374880.

The previous prime is 6380837. The next prime is 6380849. The reversal of 6380839 is 9380836.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6380839 - 2¹ = 6380837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6380798 and 6380807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380837) 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, 882 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (1596700).

Almost surely, 2^6380839 is an apocalyptic number.

6380839 is a deficient number, since it is larger than the sum of its proper divisors (5961).

6380839 is a wasteful number, since it uses less digits than its factorization.

6380839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 6380839 is about 2526.0322642437. The cubic root of 6380839 is about 185.4780817020.

The spelling of 6380839 in words is "six million, three hundred eighty thousand, eight hundred thirty-nine".