5991536 has 20 divisors (see below), whose sum is σ = 12220200. Its totient is φ = 2837952.

The previous prime is 5991533. The next prime is 5991541. The reversal of 5991536 is 6351995.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 5991536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991533) 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, 9551 + ... + 10158.

It is an arithmetic number, because the mean of its divisors is an integer number (611010).

Almost surely, 2^5991536 is an apocalyptic number.

It is an amenable number.

5991536 is an abundant number, since it is smaller than the sum of its proper divisors (6228664).

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

5991536 is a wasteful number, since it uses less digits than its factorization.

5991536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19736 (or 19730 counting only the distinct ones).

The product of its digits is 36450, while the sum is 38.

The square root of 5991536 is about 2447.7614262832. The cubic root of 5991536 is about 181.6265740252.

The spelling of 5991536 in words is "five million, nine hundred ninety-one thousand, five hundred thirty-six".