10338421 has 2 divisors, whose sum is σ = 10338422. Its totient is φ = 10338420.

The previous prime is 10338409. The next prime is 10338473. The reversal of 10338421 is 12483301.

10338421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9548100 + 790321 = 3090^2 + 889^2 .

It is an emirp because it is prime and its reverse (12483301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10338421 - 2⁹ = 10337909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10338392 and 10338401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10338401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5169210 + 5169211.

It is an arithmetic number, because the mean of its divisors is an integer number (5169211).

Almost surely, 2^10338421 is an apocalyptic number.

It is an amenable number.

10338421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10338421 is an equidigital number, since it uses as much as digits as its factorization.

10338421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 10338421 is about 3215.3415059679. The cubic root of 10338421 is about 217.8469101655.

The spelling of 10338421 in words is "ten million, three hundred thirty-eight thousand, four hundred twenty-one".