8640002 has 16 divisors (see below), whose sum is σ = 14850240. Its totient is φ = 3693168.

The previous prime is 8640001. The next prime is 8640013. The reversal of 8640002 is 2000468.

It is not an unprimeable number, because it can be changed into a prime (8640001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8168 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (928140).

Almost surely, 2^8640002 is an apocalyptic number.

8640002 is a deficient number, since it is larger than the sum of its proper divisors (6210238).

8640002 is a wasteful number, since it uses less digits than its factorization.

8640002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 8640002 is about 2939.3880315467. The cubic root of 8640002 is about 205.1971294343.

It can be divided in two parts, 864000 and 2, that multiplied together give a cube (1728000 = 120³).

The spelling of 8640002 in words is "eight million, six hundred forty thousand, two".