8066644 has 12 divisors (see below), whose sum is σ = 14199444. Its totient is φ = 4009664.

The previous prime is 8066593. The next prime is 8066677. The reversal of 8066644 is 4466608.

It can be written as a sum of positive squares in 2 ways, for example, as 6697744 + 1368900 = 2588^2 + 1170^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5137 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (1183287).

Almost surely, 2^8066644 is an apocalyptic number.

It is an amenable number.

8066644 is a deficient number, since it is larger than the sum of its proper divisors (6132800).

8066644 is a wasteful number, since it uses less digits than its factorization.

8066644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834 (or 11832 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 8066644 is about 2840.1837968695. The cubic root of 8066644 is about 200.5538316038.

The spelling of 8066644 in words is "eight million, sixty-six thousand, six hundred forty-four".