3678305 has 16 divisors (see below), whose sum is σ = 4800000. Its totient is φ = 2695680.

The previous prime is 3678299. The next prime is 3678317. The reversal of 3678305 is 5038763.

It is a happy number.

It is not a de Polignac number, because 3678305 - 2⁴ = 3678289 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2321 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (300000).

Almost surely, 2^3678305 is an apocalyptic number.

It is an amenable number.

3678305 is a deficient number, since it is larger than the sum of its proper divisors (1121695).

3678305 is a wasteful number, since it uses less digits than its factorization.

3678305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3678305 is about 1917.8907685267. The cubic root of 3678305 is about 154.3651452237.

The spelling of 3678305 in words is "three million, six hundred seventy-eight thousand, three hundred five".