3780306 has 24 divisors (see below), whose sum is σ = 8274240. Its totient is φ = 1247256.

The previous prime is 3780281. The next prime is 3780313. The reversal of 3780306 is 6030873.

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 3780306.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 835 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (344760).

Almost surely, 2^3780306 is an apocalyptic number.

3780306 is an abundant number, since it is smaller than the sum of its proper divisors (4493934).

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

3780306 is a wasteful number, since it uses less digits than its factorization.

3780306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3780306 is about 1944.3009026383. The cubic root of 3780306 is about 155.7790263897.

The spelling of 3780306 in words is "three million, seven hundred eighty thousand, three hundred six".