6859489 has 16 divisors (see below), whose sum is σ = 8643712. Its totient is φ = 5298048.

The previous prime is 6859481. The next prime is 6859493. The reversal of 6859489 is 9849586.

It is a happy number.

It is not a de Polignac number, because 6859489 - 2³ = 6859481 is a prime.

It is a super-2 number, since 2×6859489² = 94105178682242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6859481) 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 15 ways as a sum of consecutive naturals, for example, 3037 + ... + 4789.

It is an arithmetic number, because the mean of its divisors is an integer number (540232).

Almost surely, 2^6859489 is an apocalyptic number.

It is an amenable number.

6859489 is a deficient number, since it is larger than the sum of its proper divisors (1784223).

6859489 is a wasteful number, since it uses less digits than its factorization.

6859489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816.

The product of its digits is 622080, while the sum is 49.

The square root of 6859489 is about 2619.0626185718. The cubic root of 6859489 is about 190.0045151282.

The spelling of 6859489 in words is "six million, eight hundred fifty-nine thousand, four hundred eighty-nine".