8589421 has 8 divisors (see below), whose sum is σ = 8749440. Its totient is φ = 8430912.

The previous prime is 8589401. The next prime is 8589431. The reversal of 8589421 is 1249858.

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 8589421 - 2¹⁹ = 8065133 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 (8589401) 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, 19621 + ... + 20053.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^8589421 is an apocalyptic number.

It is an amenable number.

8589421 is a deficient number, since it is larger than the sum of its proper divisors (160019).

8589421 is a wasteful number, since it uses less digits than its factorization.

8589421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 23040, while the sum is 37.

The square root of 8589421 is about 2930.7714001607. The cubic root of 8589421 is about 204.7959182562.

The spelling of 8589421 in words is "eight million, five hundred eighty-nine thousand, four hundred twenty-one".