8489905 has 8 divisors (see below), whose sum is σ = 10340352. Its totient is φ = 6690288.

The previous prime is 8489891. The next prime is 8489917. The reversal of 8489905 is 5099848.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8489905 - 2⁷ = 8489777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12337 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (1292544).

Almost surely, 2^8489905 is an apocalyptic number.

It is an amenable number.

8489905 is a deficient number, since it is larger than the sum of its proper divisors (1850447).

8489905 is a wasteful number, since it uses less digits than its factorization.

8489905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25415.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 8489905 is about 2913.7441548633. The cubic root of 8489905 is about 204.0019303290.

The spelling of 8489905 in words is "eight million, four hundred eighty-nine thousand, nine hundred five".