8489649 has 8 divisors (see below), whose sum is σ = 12936640. Its totient is φ = 4851216.

The previous prime is 8489641. The next prime is 8489651. The reversal of 8489649 is 9469848.

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

It is not a de Polignac number, because 8489649 - 2³ = 8489641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8489598 and 8489607.

It is not an unprimeable number, because it can be changed into a prime (8489641) 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, 202114 + ... + 202155.

It is an arithmetic number, because the mean of its divisors is an integer number (1617080).

Almost surely, 2^8489649 is an apocalyptic number.

It is an amenable number.

8489649 is a deficient number, since it is larger than the sum of its proper divisors (4446991).

8489649 is a wasteful number, since it uses less digits than its factorization.

8489649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404279.

The product of its digits is 497664, while the sum is 48.

The square root of 8489649 is about 2913.7002248001. The cubic root of 8489649 is about 203.9998798538. Note that the first 3 decimals are identical.

The spelling of 8489649 in words is "eight million, four hundred eighty-nine thousand, six hundred forty-nine".