19799383 has 2 divisors, whose sum is σ = 19799384. Its totient is φ = 19799382.

The previous prime is 19799357. The next prime is 19799411. The reversal of 19799383 is 38399791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19799383 - 2⁹ = 19798871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19799323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9899691 + 9899692.

It is an arithmetic number, because the mean of its divisors is an integer number (9899692).

Almost surely, 2^19799383 is an apocalyptic number.

19799383 is a deficient number, since it is larger than the sum of its proper divisors (1).

19799383 is an equidigital number, since it uses as much as digits as its factorization.

19799383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 49.

The square root of 19799383 is about 4449.6497614981. The cubic root of 19799383 is about 270.5311127789.

The spelling of 19799383 in words is "nineteen million, seven hundred ninety-nine thousand, three hundred eighty-three".