7806366 has 48 divisors (see below), whose sum is σ = 18162144. Its totient is φ = 2414592.

The previous prime is 7806347. The next prime is 7806373. The reversal of 7806366 is 6636087.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7806366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29551 + ... + 29813.

It is an arithmetic number, because the mean of its divisors is an integer number (378378).

Almost surely, 2^7806366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7806366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9081072).

7806366 is an abundant number, since it is smaller than the sum of its proper divisors (10355778).

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

7806366 is a wasteful number, since it uses less digits than its factorization.

7806366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 7806366 is about 2793.9874731287. The cubic root of 7806366 is about 198.3731866025.

The spelling of 7806366 in words is "seven million, eight hundred six thousand, three hundred sixty-six".