8668533 has 4 divisors (see below), whose sum is σ = 11558048. Its totient is φ = 5779020.

The previous prime is 8668523. The next prime is 8668547. The reversal of 8668533 is 3358668.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8668533 - 2⁵ = 8668501 is a prime.

It is a super-3 number, since 3×8668533³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8668491 and 8668500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8668523) 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, 1444753 + ... + 1444758.

It is an arithmetic number, because the mean of its divisors is an integer number (2889512).

Almost surely, 2^8668533 is an apocalyptic number.

It is an amenable number.

8668533 is a deficient number, since it is larger than the sum of its proper divisors (2889515).

8668533 is a wasteful number, since it uses less digits than its factorization.

8668533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889514.

The product of its digits is 103680, while the sum is 39.

The square root of 8668533 is about 2944.2372526683. The cubic root of 8668533 is about 205.4227484746.

The spelling of 8668533 in words is "eight million, six hundred sixty-eight thousand, five hundred thirty-three".