3894305 has 8 divisors (see below), whose sum is σ = 4732800. Its totient is φ = 3075696.

The previous prime is 3894269. The next prime is 3894307. The reversal of 3894305 is 5034983.

3894305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3894305 - 2⁸ = 3894049 is a prime.

It is a super-2 number, since 2×3894305² = 30331222866050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3894307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4535 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (591600).

Almost surely, 2^3894305 is an apocalyptic number.

It is an amenable number.

3894305 is a deficient number, since it is larger than the sum of its proper divisors (838495).

3894305 is an equidigital number, since it uses as much as digits as its factorization.

3894305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3894305 is about 1973.3993513732. The cubic root of 3894305 is about 157.3294365876.

The spelling of 3894305 in words is "three million, eight hundred ninety-four thousand, three hundred five".