9442321 has 16 divisors (see below), whose sum is σ = 11363328. Its totient is φ = 7675200.

The previous prime is 9442309. The next prime is 9442333. The reversal of 9442321 is 1232449.

It is an interprime number because it is at equal distance from previous prime (9442309) and next prime (9442333).

It is a cyclic number.

It is not a de Polignac number, because 9442321 - 2⁷ = 9442193 is a prime.

It is a Duffinian number.

9442321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9442921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11091 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (710208).

Almost surely, 2^9442321 is an apocalyptic number.

It is an amenable number.

9442321 is a deficient number, since it is larger than the sum of its proper divisors (1921007).

9442321 is a wasteful number, since it uses less digits than its factorization.

9442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its digits is 1728, while the sum is 25.

The square root of 9442321 is about 3072.8359865115. The cubic root of 9442321 is about 211.3616806162.

The spelling of 9442321 in words is "nine million, four hundred forty-two thousand, three hundred twenty-one".