8641087 has 16 divisors (see below), whose sum is σ = 10704960. Its totient is φ = 6792192.

The previous prime is 8641079. The next prime is 8641093. The reversal of 8641087 is 7801468.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8641087 - 2³ = 8641079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8641007) 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, 24303 + ... + 24655.

It is an arithmetic number, because the mean of its divisors is an integer number (669060).

Almost surely, 2^8641087 is an apocalyptic number.

8641087 is a deficient number, since it is larger than the sum of its proper divisors (2063873).

8641087 is a wasteful number, since it uses less digits than its factorization.

8641087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 8641087 is about 2939.5725879794. The cubic root of 8641087 is about 205.2057185360.

The spelling of 8641087 in words is "eight million, six hundred forty-one thousand, eighty-seven".