8489621 has 8 divisors (see below), whose sum is σ = 9812160. Its totient is φ = 7194528.

The previous prime is 8489603. The next prime is 8489623. The reversal of 8489621 is 1269848.

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 8489621 - 2¹⁸ = 8227477 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 (8489623) 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, 6191 + ... + 7436.

It is an arithmetic number, because the mean of its divisors is an integer number (1226520).

Almost surely, 2^8489621 is an apocalyptic number.

It is an amenable number.

8489621 is a deficient number, since it is larger than the sum of its proper divisors (1322539).

8489621 is a wasteful number, since it uses less digits than its factorization.

8489621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13723.

The product of its digits is 27648, while the sum is 38.

The square root of 8489621 is about 2913.6954199092. The cubic root of 8489621 is about 203.9996555806. Note that the first 3 decimals are identical.

The spelling of 8489621 in words is "eight million, four hundred eighty-nine thousand, six hundred twenty-one".