19392941 has 2 divisors, whose sum is σ = 19392942. Its totient is φ = 19392940.

The previous prime is 19392911. The next prime is 19392973. The reversal of 19392941 is 14929391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15570916 + 3822025 = 3946^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 19392941 - 2²² = 15198637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19392895 and 19392904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19392911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9696470 + 9696471.

It is an arithmetic number, because the mean of its divisors is an integer number (9696471).

Almost surely, 2^19392941 is an apocalyptic number.

It is an amenable number.

19392941 is a deficient number, since it is larger than the sum of its proper divisors (1).

19392941 is an equidigital number, since it uses as much as digits as its factorization.

19392941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 38.

The square root of 19392941 is about 4403.7417045054. The cubic root of 19392941 is about 268.6671440272.

The spelling of 19392941 in words is "nineteen million, three hundred ninety-two thousand, nine hundred forty-one".