3894549 has 8 divisors (see below), whose sum is σ = 5319552. Its totient is φ = 2532960.

The previous prime is 3894529. The next prime is 3894557. The reversal of 3894549 is 9454983.

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

It is not a de Polignac number, because 3894549 - 2¹³ = 3886357 is a prime.

It is an Ulam number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3894549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894529) 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, 15709 + ... + 15954.

It is an arithmetic number, because the mean of its divisors is an integer number (664944).

Almost surely, 2^3894549 is an apocalyptic number.

It is an amenable number.

3894549 is a deficient number, since it is larger than the sum of its proper divisors (1425003).

3894549 is a wasteful number, since it uses less digits than its factorization.

3894549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31707.

The product of its digits is 155520, while the sum is 42.

The square root of 3894549 is about 1973.4611726609. The cubic root of 3894549 is about 157.3327223755.

The spelling of 3894549 in words is "three million, eight hundred ninety-four thousand, five hundred forty-nine".