3894593 has 2 divisors, whose sum is σ = 3894594. Its totient is φ = 3894592.

The previous prime is 3894589. The next prime is 3894619. The reversal of 3894593 is 3954983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 1620529 = 1508^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 3894593 - 2² = 3894589 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3894593.

It is not a weakly prime, because it can be changed into another prime (3894523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947296 + 1947297.

It is an arithmetic number, because the mean of its divisors is an integer number (1947297).

Almost surely, 2^3894593 is an apocalyptic number.

It is an amenable number.

3894593 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894593 is an equidigital number, since it uses as much as digits as its factorization.

3894593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 3894593 is about 1973.4723205558. The cubic root of 3894593 is about 157.3333148800. Note that the first 4 decimals are identical.

The spelling of 3894593 in words is "three million, eight hundred ninety-four thousand, five hundred ninety-three".