8219983 has 2 divisors, whose sum is σ = 8219984. Its totient is φ = 8219982.

The previous prime is 8219969. The next prime is 8220013. The reversal of 8219983 is 3899128.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8219983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8219903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4109991 + 4109992.

It is an arithmetic number, because the mean of its divisors is an integer number (4109992).

Almost surely, 2^8219983 is an apocalyptic number.

8219983 is a deficient number, since it is larger than the sum of its proper divisors (1).

8219983 is an equidigital number, since it uses as much as digits as its factorization.

8219983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 8219983 is about 2867.0512726493. The cubic root of 8219983 is about 201.8166407875.

The spelling of 8219983 in words is "eight million, two hundred nineteen thousand, nine hundred eighty-three".