8536641 has 4 divisors (see below), whose sum is σ = 11382192. Its totient is φ = 5691092.

The previous prime is 8536637. The next prime is 8536673. The reversal of 8536641 is 1466358.

8536641 is nontrivially palindromic in base 2.

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 a cyclic number.

It is not a de Polignac number, because 8536641 - 2² = 8536637 is a prime.

8536641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8536631) 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, 1422771 + ... + 1422776.

It is an arithmetic number, because the mean of its divisors is an integer number (2845548).

Almost surely, 2^8536641 is an apocalyptic number.

It is an amenable number.

8536641 is a deficient number, since it is larger than the sum of its proper divisors (2845551).

8536641 is a wasteful number, since it uses less digits than its factorization.

8536641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845550.

The product of its digits is 17280, while the sum is 33.

The square root of 8536641 is about 2921.7530696484. The cubic root of 8536641 is about 204.3755816460.

The spelling of 8536641 in words is "eight million, five hundred thirty-six thousand, six hundred forty-one".