8010644 has 6 divisors (see below), whose sum is σ = 14018634. Its totient is φ = 4005320.

The previous prime is 8010643. The next prime is 8010661. The reversal of 8010644 is 4460108.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6822544 + 1188100 = 2612^2 + 1090^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8010643) by changing a digit.

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 as a sum of consecutive naturals, namely, 1001327 + ... + 1001334.

It is an arithmetic number, because the mean of its divisors is an integer number (2336439).

Almost surely, 2^8010644 is an apocalyptic number.

It is an amenable number.

8010644 is a deficient number, since it is larger than the sum of its proper divisors (6007990).

8010644 is a wasteful number, since it uses less digits than its factorization.

8010644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002665 (or 2002663 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 8010644 is about 2830.3081104360. The cubic root of 8010644 is about 200.0886606906.

The spelling of 8010644 in words is "eight million, ten thousand, six hundred forty-four".