5009866 has 16 divisors (see below), whose sum is σ = 8232840. Its totient is φ = 2275840.

The previous prime is 5009857. The next prime is 5009881. The reversal of 5009866 is 6689005.

It can be written as a sum of positive squares in 4 ways, for example, as 4116841 + 893025 = 2029^2 + 945^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 1555 + ... + 3526.

Almost surely, 2^5009866 is an apocalyptic number.

5009866 is a deficient number, since it is larger than the sum of its proper divisors (3222974).

5009866 is a wasteful number, since it uses less digits than its factorization.

5009866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 5009866 is about 2238.2729949673. The cubic root of 5009866 is about 171.1099915908.

The spelling of 5009866 in words is "five million, nine thousand, eight hundred sixty-six".