19344077 has 2 divisors, whose sum is σ = 19344078. Its totient is φ = 19344076.

The previous prime is 19344049. The next prime is 19344089. The reversal of 19344077 is 77044391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15888196 + 3455881 = 3986^2 + 1859^2 .

It is a cyclic number.

It is not a de Polignac number, because 19344077 - 2²² = 15149773 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 (19344037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9672038 + 9672039.

It is an arithmetic number, because the mean of its divisors is an integer number (9672039).

Almost surely, 2^19344077 is an apocalyptic number.

It is an amenable number.

19344077 is a deficient number, since it is larger than the sum of its proper divisors (1).

19344077 is an equidigital number, since it uses as much as digits as its factorization.

19344077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 19344077 is about 4398.1901959783. The cubic root of 19344077 is about 268.4413025207.

The spelling of 19344077 in words is "nineteen million, three hundred forty-four thousand, seventy-seven".