8045866 has 4 divisors (see below), whose sum is σ = 12068802. Its totient is φ = 4022932.

The previous prime is 8045861. The next prime is 8045887. The reversal of 8045866 is 6685408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6911641 + 1134225 = 2629^2 + 1065^2 .

It is not an unprimeable number, because it can be changed into a prime (8045861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011465 + ... + 2011468.

Almost surely, 2^8045866 is an apocalyptic number.

8045866 is a deficient number, since it is larger than the sum of its proper divisors (4022936).

8045866 is a wasteful number, since it uses less digits than its factorization.

8045866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022935.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 8045866 is about 2836.5235764929. The cubic root of 8045866 is about 200.3814885365.

It can be divided in two parts, 8045 and 866, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 8045866 in words is "eight million, forty-five thousand, eight hundred sixty-six".