6489379 has 4 divisors (see below), whose sum is σ = 6988576. Its totient is φ = 5990184.

The previous prime is 6489367. The next prime is 6489389. The reversal of 6489379 is 9739846.

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

It is a cyclic number.

It is not a de Polignac number, because 6489379 - 2¹³ = 6481187 is a prime.

It is a super-2 number, since 2×6489379² = 84224079611282, which contains 22 as substring.

It is a Duffinian number.

6489379 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6489349) 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, 249579 + ... + 249604.

It is an arithmetic number, because the mean of its divisors is an integer number (1747144).

Almost surely, 2^6489379 is an apocalyptic number.

6489379 is a deficient number, since it is larger than the sum of its proper divisors (499197).

6489379 is a wasteful number, since it uses less digits than its factorization.

6489379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499196.

The product of its digits is 326592, while the sum is 46.

The square root of 6489379 is about 2547.4259557443. The cubic root of 6489379 is about 186.5238537054.

The spelling of 6489379 in words is "six million, four hundred eighty-nine thousand, three hundred seventy-nine".