6669983 has 2 divisors, whose sum is σ = 6669984. Its totient is φ = 6669982.

The previous prime is 6669973. The next prime is 6670019. The reversal of 6669983 is 3899666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6669983 - 2²² = 2475679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6669973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334991 + 3334992.

It is an arithmetic number, because the mean of its divisors is an integer number (3334992).

Almost surely, 2^6669983 is an apocalyptic number.

6669983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6669983 is an equidigital number, since it uses as much as digits as its factorization.

6669983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 6669983 is about 2582.6310228138. The cubic root of 6669983 is about 188.2384084944.

The spelling of 6669983 in words is "six million, six hundred sixty-nine thousand, nine hundred eighty-three".