5966891 has 8 divisors (see below), whose sum is σ = 6843360. Its totient is φ = 5096448.

The previous prime is 5966887. The next prime is 5966921. The reversal of 5966891 is 1986695.

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

It is not a de Polignac number, because 5966891 - 2² = 5966887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5966861) 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, 875 + ... + 3563.

It is an arithmetic number, because the mean of its divisors is an integer number (855420).

Almost surely, 2^5966891 is an apocalyptic number.

5966891 is a deficient number, since it is larger than the sum of its proper divisors (876469).

5966891 is a wasteful number, since it uses less digits than its factorization.

5966891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its digits is 116640, while the sum is 44.

The square root of 5966891 is about 2442.7220472252. The cubic root of 5966891 is about 181.3772034529.

The spelling of 5966891 in words is "five million, nine hundred sixty-six thousand, eight hundred ninety-one".