10798421 has 2 divisors, whose sum is σ = 10798422. Its totient is φ = 10798420.

The previous prime is 10798397. The next prime is 10798423. The reversal of 10798421 is 12489701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10797796 + 625 = 3286^2 + 25^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10798421 is a prime.

Together with 10798423, 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 (10798423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5399210 + 5399211.

It is an arithmetic number, because the mean of its divisors is an integer number (5399211).

Almost surely, 2^10798421 is an apocalyptic number.

It is an amenable number.

10798421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10798421 is an equidigital number, since it uses as much as digits as its factorization.

10798421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 10798421 is about 3286.0950990499. The cubic root of 10798421 is about 221.0311170124.

The spelling of 10798421 in words is "ten million, seven hundred ninety-eight thousand, four hundred twenty-one".