6319389 has 4 divisors (see below), whose sum is σ = 8425856. Its totient is φ = 4212924.

The previous prime is 6319387. The next prime is 6319403. The reversal of 6319389 is 9839136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6319389 - 2¹ = 6319387 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6319387) 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, 1053229 + ... + 1053234.

It is an arithmetic number, because the mean of its divisors is an integer number (2106464).

Almost surely, 2^6319389 is an apocalyptic number.

It is an amenable number.

6319389 is a deficient number, since it is larger than the sum of its proper divisors (2106467).

6319389 is a wasteful number, since it uses less digits than its factorization.

6319389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106466.

The product of its digits is 34992, while the sum is 39.

The square root of 6319389 is about 2513.8394936829. The cubic root of 6319389 is about 184.8807510048.

The spelling of 6319389 in words is "six million, three hundred nineteen thousand, three hundred eighty-nine".