19882693 has 2 divisors, whose sum is σ = 19882694. Its totient is φ = 19882692.

The previous prime is 19882631. The next prime is 19882711. The reversal of 19882693 is 39628891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16265089 + 3617604 = 4033^2 + 1902^2 .

It is a cyclic number.

It is not a de Polignac number, because 19882693 - 2²¹ = 17785541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19882613) 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, 9941346 + 9941347.

It is an arithmetic number, because the mean of its divisors is an integer number (9941347).

Almost surely, 2^19882693 is an apocalyptic number.

It is an amenable number.

19882693 is a deficient number, since it is larger than the sum of its proper divisors (1).

19882693 is an equidigital number, since it uses as much as digits as its factorization.

19882693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 19882693 is about 4459.0013455930. The cubic root of 19882693 is about 270.9100203720.

The spelling of 19882693 in words is "nineteen million, eight hundred eighty-two thousand, six hundred ninety-three".