41908421 has 2 divisors, whose sum is σ = 41908422. Its totient is φ = 41908420.

The previous prime is 41908397. The next prime is 41908453. The reversal of 41908421 is 12480914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35832196 + 6076225 = 5986^2 + 2465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41908421 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41908721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20954210 + 20954211.

It is an arithmetic number, because the mean of its divisors is an integer number (20954211).

Almost surely, 2^41908421 is an apocalyptic number.

It is an amenable number.

41908421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41908421 is an equidigital number, since it uses as much as digits as its factorization.

41908421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 41908421 is about 6473.6713694781. The cubic root of 41908421 is about 347.3498369542.

The spelling of 41908421 in words is "forty-one million, nine hundred eight thousand, four hundred twenty-one".