9489021 has 8 divisors (see below), whose sum is σ = 12669120. Its totient is φ = 6317472.

The previous prime is 9489019. The next prime is 9489047. The reversal of 9489021 is 1209849.

9489021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 9489021 - 2¹ = 9489019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489121) 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, 1200 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (1583640).

Almost surely, 2^9489021 is an apocalyptic number.

It is an amenable number.

9489021 is a deficient number, since it is larger than the sum of its proper divisors (3180099).

9489021 is a wasteful number, since it uses less digits than its factorization.

9489021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9489021 is about 3080.4254576276. The cubic root of 9489021 is about 211.7095598553.

The spelling of 9489021 in words is "nine million, four hundred eighty-nine thousand, twenty-one".