5991366 has 8 divisors (see below), whose sum is σ = 11982744. Its totient is φ = 1997120.

The previous prime is 5991343. The next prime is 5991367. The reversal of 5991366 is 6631995.

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

5991366 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991367) 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, 499275 + ... + 499286.

It is an arithmetic number, because the mean of its divisors is an integer number (1497843).

Almost surely, 2^5991366 is an apocalyptic number.

5991366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5991366 is a wasteful number, since it uses less digits than its factorization.

5991366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998566.

The product of its digits is 43740, while the sum is 39.

The square root of 5991366 is about 2447.7267004304. The cubic root of 5991366 is about 181.6248562237.

It can be divided in two parts, 599136 and 6, that multiplied together give a square (3594816 = 1896²).

The spelling of 5991366 in words is "five million, nine hundred ninety-one thousand, three hundred sixty-six".