6535998 has 32 divisors (see below), whose sum is σ = 16600320. Its totient is φ = 1867320.

The previous prime is 6535993. The next prime is 6535999. The reversal of 6535998 is 8995356.

6535998 is a `hidden beast` number, since 6 + 53 + 599 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6535993) 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, 8268 + ... + 9023.

It is an arithmetic number, because the mean of its divisors is an integer number (518760).

Almost surely, 2^6535998 is an apocalyptic number.

6535998 is an abundant number, since it is smaller than the sum of its proper divisors (10064322).

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

6535998 is a wasteful number, since it uses less digits than its factorization.

6535998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17309 (or 17303 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 6535998 is about 2556.5597978534. The cubic root of 6535998 is about 186.9694441386.

It can be divided in two parts, 65 and 35998, that added together give a palindrome (36063).

The spelling of 6535998 in words is "six million, five hundred thirty-five thousand, nine hundred ninety-eight".