9243421 has 8 divisors (see below), whose sum is σ = 10188864. Its totient is φ = 8315520.

The previous prime is 9243407. The next prime is 9243433. The reversal of 9243421 is 1243429.

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

It is a cyclic number.

It is not a de Polignac number, because 9243421 - 2⁵ = 9243389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9240421) 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, 3265 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (1273608).

Almost surely, 2^9243421 is an apocalyptic number.

It is an amenable number.

9243421 is a deficient number, since it is larger than the sum of its proper divisors (945443).

9243421 is a wasteful number, since it uses less digits than its factorization.

9243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771.

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

The square root of 9243421 is about 3040.2994918264. The cubic root of 9243421 is about 209.8670435796.

The spelling of 9243421 in words is "nine million, two hundred forty-three thousand, four hundred twenty-one".