19885483 has 2 divisors, whose sum is σ = 19885484. Its totient is φ = 19885482.

The previous prime is 19885471. The next prime is 19885499. The reversal of 19885483 is 38458891.

It is a weak prime.

It is an emirp because it is prime and its reverse (38458891) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19885483 is a prime.

It is not a weakly prime, because it can be changed into another prime (19885423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9942741 + 9942742.

It is an arithmetic number, because the mean of its divisors is an integer number (9942742).

Almost surely, 2^19885483 is an apocalyptic number.

19885483 is a deficient number, since it is larger than the sum of its proper divisors (1).

19885483 is an equidigital number, since it uses as much as digits as its factorization.

19885483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 19885483 is about 4459.3141849392. The cubic root of 19885483 is about 270.9226914188.

The spelling of 19885483 in words is "nineteen million, eight hundred eighty-five thousand, four hundred eighty-three".