9268421 has 2 divisors, whose sum is σ = 9268422. Its totient is φ = 9268420.

The previous prime is 9268403. The next prime is 9268423. The reversal of 9268421 is 1248629.

9268421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5827396 + 3441025 = 2414^2 + 1855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9268421 is a prime.

Together with 9268423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9268423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4634210 + 4634211.

It is an arithmetic number, because the mean of its divisors is an integer number (4634211).

Almost surely, 2^9268421 is an apocalyptic number.

It is an amenable number.

9268421 is a deficient number, since it is larger than the sum of its proper divisors (1).

9268421 is an equidigital number, since it uses as much as digits as its factorization.

9268421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 9268421 is about 3044.4081526628. The cubic root of 9268421 is about 210.0560772388.

The spelling of 9268421 in words is "nine million, two hundred sixty-eight thousand, four hundred twenty-one".