5009966 has 16 divisors (see below), whose sum is σ = 8137584. Its totient is φ = 2299584.

The previous prime is 5009959. The next prime is 5009969. The reversal of 5009966 is 6699005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5009969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5645 + ... + 6471.

It is an arithmetic number, because the mean of its divisors is an integer number (508599).

Almost surely, 2^5009966 is an apocalyptic number.

5009966 is a deficient number, since it is larger than the sum of its proper divisors (3127618).

5009966 is a wasteful number, since it uses less digits than its factorization.

5009966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 5009966 is about 2238.2953335072. The cubic root of 5009966 is about 171.1111300700. Note that the first 4 decimals are identical.

The spelling of 5009966 in words is "five million, nine thousand, nine hundred sixty-six".