10929421 has 2 divisors, whose sum is σ = 10929422. Its totient is φ = 10929420.

The previous prime is 10929407. The next prime is 10929437. The reversal of 10929421 is 12492901.

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., 9455625 + 1473796 = 3075^2 + 1214^2 .

It is a cyclic number.

It is not a de Polignac number, because 10929421 - 2¹⁵ = 10896653 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 10929421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10929481) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5464710 + 5464711.

It is an arithmetic number, because the mean of its divisors is an integer number (5464711).

Almost surely, 2^10929421 is an apocalyptic number.

It is an amenable number.

10929421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10929421 is an equidigital number, since it uses as much as digits as its factorization.

10929421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10929421 is about 3305.9674832037. The cubic root of 10929421 is about 221.9213326767.

The spelling of 10929421 in words is "ten million, nine hundred twenty-nine thousand, four hundred twenty-one".