3985594 has 4 divisors (see below), whose sum is σ = 5978394. Its totient is φ = 1992796.

The previous prime is 3985591. The next prime is 3985609. The reversal of 3985594 is 4955893.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3940225 + 45369 = 1985^2 + 213^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3985594.

It is not an unprimeable number, because it can be changed into a prime (3985591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996397 + ... + 996400.

Almost surely, 2^3985594 is an apocalyptic number.

3985594 is a deficient number, since it is larger than the sum of its proper divisors (1992800).

3985594 is a wasteful number, since it uses less digits than its factorization.

3985594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992799.

The product of its digits is 194400, while the sum is 43.

The square root of 3985594 is about 1996.3952514470. The cubic root of 3985594 is about 158.5493084654.

Subtracting 3985594 from its reverse (4955893), we obtain a cube (970299 = 99³).

The spelling of 3985594 in words is "three million, nine hundred eighty-five thousand, five hundred ninety-four".