5991384 has 64 divisors (see below), whose sum is σ = 18028800. Its totient is φ = 1620864.

The previous prime is 5991379. The next prime is 5991389. The reversal of 5991384 is 4831995.

It is an interprime number because it is at equal distance from previous prime (5991379) and next prime (5991389).

It is a super-3 number, since 3×5991384³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2254 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (281700).

Almost surely, 2^5991384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5991384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9014400).

5991384 is an abundant number, since it is smaller than the sum of its proper divisors (12037416).

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

5991384 is a wasteful number, since it uses less digits than its factorization.

5991384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1908 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 5991384 is about 2447.7303773087. The cubic root of 5991384 is about 181.6250381101.

The spelling of 5991384 in words is "five million, nine hundred ninety-one thousand, three hundred eighty-four".