9874321 has 4 divisors (see below), whose sum is σ = 9931572. Its totient is φ = 9817072.

The previous prime is 9874313. The next prime is 9874327. The reversal of 9874321 is 1234789.

9874321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 3940225 = 2436^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 9874321 - 2³ = 9874313 is a prime.

It is a super-2 number, since 2×9874321² = 195004430422082, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

9874321 is a lucky number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9874327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28366 + ... + 28711.

It is an arithmetic number, because the mean of its divisors is an integer number (2482893).

Almost surely, 2^9874321 is an apocalyptic number.

It is an amenable number.

9874321 is a deficient number, since it is larger than the sum of its proper divisors (57251).

9874321 is a wasteful number, since it uses less digits than its factorization.

9874321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57250.

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

The square root of 9874321 is about 3142.3432339577. The cubic root of 9874321 is about 214.5371039717.

The spelling of 9874321 in words is "nine million, eight hundred seventy-four thousand, three hundred twenty-one".