6533986 has 8 divisors (see below), whose sum is σ = 10316880. Its totient is φ = 3095028.

The previous prime is 6533983. The next prime is 6534013. The reversal of 6533986 is 6893356.

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

It is not an unprimeable number, because it can be changed into a prime (6533981) 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, 85936 + ... + 86011.

It is an arithmetic number, because the mean of its divisors is an integer number (1289610).

Almost surely, 2^6533986 is an apocalyptic number.

6533986 is a deficient number, since it is larger than the sum of its proper divisors (3782894).

6533986 is a wasteful number, since it uses less digits than its factorization.

6533986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171968.

The product of its digits is 116640, while the sum is 40.

The square root of 6533986 is about 2556.1662700224. The cubic root of 6533986 is about 186.9502570086.

The spelling of 6533986 in words is "six million, five hundred thirty-three thousand, nine hundred eighty-six".