6489917 has 8 divisors (see below), whose sum is σ = 7442112. Its totient is φ = 5544000.

The previous prime is 6489913. The next prime is 6489949. The reversal of 6489917 is 7199846.

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

It is not a de Polignac number, because 6489917 - 2² = 6489913 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489913) 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, 917 + ... + 3717.

It is an arithmetic number, because the mean of its divisors is an integer number (930264).

Almost surely, 2^6489917 is an apocalyptic number.

It is an amenable number.

6489917 is a deficient number, since it is larger than the sum of its proper divisors (952195).

6489917 is a wasteful number, since it uses less digits than its factorization.

6489917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its digits is 108864, while the sum is 44.

The square root of 6489917 is about 2547.5315503444. The cubic root of 6489917 is about 186.5290081308.

The spelling of 6489917 in words is "six million, four hundred eighty-nine thousand, nine hundred seventeen".