9487321 has 8 divisors (see below), whose sum is σ = 9851400. Its totient is φ = 9136624.

The previous prime is 9487319. The next prime is 9487337. The reversal of 9487321 is 1237849.

9487321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 99225 + 9388096 = 315^2 + 3064^2 .

It is not a de Polignac number, because 9487321 - 2¹ = 9487319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9487351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24195 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (1231425).

Almost surely, 2^9487321 is an apocalyptic number.

It is an amenable number.

9487321 is a deficient number, since it is larger than the sum of its proper divisors (364079).

9487321 is an frugal number, since it uses more digits than its factorization.

9487321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 418 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 9487321 is about 3080.1495093583. The cubic root of 9487321 is about 211.6969161995.

The spelling of 9487321 in words is "nine million, four hundred eighty-seven thousand, three hundred twenty-one".