8642064 has 20 divisors (see below), whose sum is σ = 22325456. Its totient is φ = 2880672.

The previous prime is 8642063. The next prime is 8642077. The reversal of 8642064 is 4602468.

It is not an unprimeable number, because it can be changed into a prime (8642063) 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, 89974 + ... + 90069.

Almost surely, 2^8642064 is an apocalyptic number.

It is an amenable number.

8642064 is an abundant number, since it is smaller than the sum of its proper divisors (13683392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8642064 is a wasteful number, since it uses less digits than its factorization.

8642064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180054 (or 180048 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 8642064 is about 2939.7387639040. The cubic root of 8642064 is about 205.2134520704.

The spelling of 8642064 in words is "eight million, six hundred forty-two thousand, sixty-four".