9433421 has 2 divisors, whose sum is σ = 9433422. Its totient is φ = 9433420.

The previous prime is 9433379. The next prime is 9433447. The reversal of 9433421 is 1243349.

It is an a-pointer prime, because the next prime (9433447) can be obtained adding 9433421 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9060100 + 373321 = 3010^2 + 611^2 .

It is an emirp because it is prime and its reverse (1243349) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9433421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9433621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4716710 + 4716711.

It is an arithmetic number, because the mean of its divisors is an integer number (4716711).

Almost surely, 2^9433421 is an apocalyptic number.

It is an amenable number.

9433421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9433421 is an equidigital number, since it uses as much as digits as its factorization.

9433421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 9433421 is about 3071.3874714858. The cubic root of 9433421 is about 211.2952523763.

The spelling of 9433421 in words is "nine million, four hundred thirty-three thousand, four hundred twenty-one".