6489685 has 8 divisors (see below), whose sum is σ = 7977816. Its totient is φ = 5064960.

The previous prime is 6489683. The next prime is 6489709. The reversal of 6489685 is 5869846.

It can be written as a sum of positive squares in 4 ways, for example, as 7569 + 6482116 = 87^2 + 2546^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6489685 - 2¹ = 6489683 is a prime.

It is a super-2 number, since 2×6489685² = 84232022798450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15624 + ... + 16033.

It is an arithmetic number, because the mean of its divisors is an integer number (997227).

Almost surely, 2^6489685 is an apocalyptic number.

It is an amenable number.

6489685 is a deficient number, since it is larger than the sum of its proper divisors (1488131).

6489685 is a wasteful number, since it uses less digits than its factorization.

6489685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31703.

The product of its digits is 414720, while the sum is 46.

The square root of 6489685 is about 2547.4860156633. The cubic root of 6489685 is about 186.5267854395.

The spelling of 6489685 in words is "six million, four hundred eighty-nine thousand, six hundred eighty-five".