8380566 has 12 divisors (see below), whose sum is σ = 18157932. Its totient is φ = 2793516.

The previous prime is 8380543. The next prime is 8380597. The reversal of 8380566 is 6650838.

It is a self number, because there is not a number n which added to its sum of digits gives 8380566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232776 + ... + 232811.

It is an arithmetic number, because the mean of its divisors is an integer number (1513161).

Almost surely, 2^8380566 is an apocalyptic number.

8380566 is an abundant number, since it is smaller than the sum of its proper divisors (9777366).

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

8380566 is a wasteful number, since it uses less digits than its factorization.

8380566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465595 (or 465592 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8380566 is about 2894.9207243032. The cubic root of 8380566 is about 203.1223832720.

The spelling of 8380566 in words is "eight million, three hundred eighty thousand, five hundred sixty-six".