8489121 has 4 divisors (see below), whose sum is σ = 11318832. Its totient is φ = 5659412.

The previous prime is 8489113. The next prime is 8489123. The reversal of 8489121 is 1219848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8489121 - 2³ = 8489113 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8489123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414851 + ... + 1414856.

It is an arithmetic number, because the mean of its divisors is an integer number (2829708).

Almost surely, 2^8489121 is an apocalyptic number.

It is an amenable number.

8489121 is a deficient number, since it is larger than the sum of its proper divisors (2829711).

8489121 is a wasteful number, since it uses less digits than its factorization.

8489121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829710.

The product of its digits is 4608, while the sum is 33.

The square root of 8489121 is about 2913.6096169528. The cubic root of 8489121 is about 203.9956506185.

The spelling of 8489121 in words is "eight million, four hundred eighty-nine thousand, one hundred twenty-one".