5599966 has 8 divisors (see below), whose sum is σ = 8437320. Its totient is φ = 2787528.

The previous prime is 5599961. The next prime is 5599967. The reversal of 5599966 is 6699955.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (1054665).

Almost surely, 2^5599966 is an apocalyptic number.

5599966 is a deficient number, since it is larger than the sum of its proper divisors (2837354).

5599966 is a wasteful number, since it uses less digits than its factorization.

5599966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12458.

The product of its digits is 656100, while the sum is 49.

The square root of 5599966 is about 2366.4247294178. The cubic root of 5599966 is about 177.5804409581.

It can be divided in two parts, 55999 and 66, that added together give a palindrome (56065).

The spelling of 5599966 in words is "five million, five hundred ninety-nine thousand, nine hundred sixty-six".