5987666 has 8 divisors (see below), whose sum is σ = 9039180. Its totient is φ = 2974608.

The previous prime is 5987651. The next prime is 5987677. The reversal of 5987666 is 6667895.

It can be written as a sum of positive squares in 2 ways, for example, as 5621641 + 366025 = 2371^2 + 605^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 5987666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9221 + ... + 9848.

Almost surely, 2^5987666 is an apocalyptic number.

5987666 is a deficient number, since it is larger than the sum of its proper divisors (3051514).

5987666 is a wasteful number, since it uses less digits than its factorization.

5987666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19228.

The product of its digits is 544320, while the sum is 47.

The square root of 5987666 is about 2446.9707803732. The cubic root of 5987666 is about 181.5874607254.

The spelling of 5987666 in words is "five million, nine hundred eighty-seven thousand, six hundred sixty-six".