9093421 has 2 divisors, whose sum is σ = 9093422. Its totient is φ = 9093420.

The previous prime is 9093407. The next prime is 9093437. The reversal of 9093421 is 1243909.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8352100 + 741321 = 2890^2 + 861^2 .

It is a cyclic number.

It is not a de Polignac number, because 9093421 - 2⁵ = 9093389 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9093421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9093481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4546710 + 4546711.

It is an arithmetic number, because the mean of its divisors is an integer number (4546711).

Almost surely, 2^9093421 is an apocalyptic number.

It is an amenable number.

9093421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9093421 is an equidigital number, since it uses as much as digits as its factorization.

9093421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9093421 is about 3015.5299700053. The cubic root of 9093421 is about 208.7256230275.

The spelling of 9093421 in words is "nine million, ninety-three thousand, four hundred twenty-one".