3894529 has 2 divisors, whose sum is σ = 3894530. Its totient is φ = 3894528.

The previous prime is 3894523. The next prime is 3894557. The reversal of 3894529 is 9254983.

It is a happy number.

3894529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1270129 = 1620^2 + 1127^2 .

It is an emirp because it is prime and its reverse (9254983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3894529 - 2¹¹ = 3892481 is a prime.

It is a super-2 number, since 2×3894529² = 30334712263682, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3894491 and 3894500.

It is not a weakly prime, because it can be changed into another prime (3894523) 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 as a sum of consecutive naturals, namely, 1947264 + 1947265.

It is an arithmetic number, because the mean of its divisors is an integer number (1947265).

Almost surely, 2^3894529 is an apocalyptic number.

It is an amenable number.

3894529 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894529 is an equidigital number, since it uses as much as digits as its factorization.

3894529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 3894529 is about 1973.4561054151. The cubic root of 3894529 is about 157.3324530537.

The spelling of 3894529 in words is "three million, eight hundred ninety-four thousand, five hundred twenty-nine".