8642164 has 12 divisors (see below), whose sum is σ = 15532804. Its totient is φ = 4204224.

The previous prime is 8642159. The next prime is 8642173. The reversal of 8642164 is 4612468.

It can be written as a sum of positive squares in 2 ways, for example, as 5062500 + 3579664 = 2250^2 + 1892^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29049 + ... + 29344.

Almost surely, 2^8642164 is an apocalyptic number.

It is an amenable number.

8642164 is a deficient number, since it is larger than the sum of its proper divisors (6890640).

8642164 is a wasteful number, since it uses less digits than its factorization.

8642164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58434 (or 58432 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 8642164 is about 2939.7557721688. The cubic root of 8642164 is about 205.2142435968.

The spelling of 8642164 in words is "eight million, six hundred forty-two thousand, one hundred sixty-four".