3894547 has 8 divisors (see below), whose sum is σ = 4148496. Its totient is φ = 3643392.

The previous prime is 3894529. The next prime is 3894557. The reversal of 3894547 is 7454983.

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 3894547 - 2⁷ = 3894419 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3894557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 3874.

It is an arithmetic number, because the mean of its divisors is an integer number (518562).

Almost surely, 2^3894547 is an apocalyptic number.

3894547 is a deficient number, since it is larger than the sum of its proper divisors (253949).

3894547 is a wasteful number, since it uses less digits than its factorization.

3894547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its digits is 120960, while the sum is 40.

The square root of 3894547 is about 1973.4606659369. The cubic root of 3894547 is about 157.3326954433.

The spelling of 3894547 in words is "three million, eight hundred ninety-four thousand, five hundred forty-seven".