19406941 has 2 divisors, whose sum is σ = 19406942. Its totient is φ = 19406940.

The previous prime is 19406921. The next prime is 19406987. The reversal of 19406941 is 14960491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19404025 + 2916 = 4405^2 + 54^2 .

It is a cyclic number.

It is not a de Polignac number, because 19406941 - 2⁷ = 19406813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19406897 and 19406906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19406921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9703470 + 9703471.

It is an arithmetic number, because the mean of its divisors is an integer number (9703471).

Almost surely, 2^19406941 is an apocalyptic number.

It is an amenable number.

19406941 is a deficient number, since it is larger than the sum of its proper divisors (1).

19406941 is an equidigital number, since it uses as much as digits as its factorization.

19406941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 19406941 is about 4405.3309750801. The cubic root of 19406941 is about 268.7317798356.

The spelling of 19406941 in words is "nineteen million, four hundred six thousand, nine hundred forty-one".