3936321 has 12 divisors (see below), whose sum is σ = 5710848. Its totient is φ = 2612664.

The previous prime is 3936313. The next prime is 3936329. The reversal of 3936321 is 1236393.

It is an interprime number because it is at equal distance from previous prime (3936313) and next prime (3936329).

It is not a de Polignac number, because 3936321 - 2³ = 3936313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3936329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1536 + ... + 3198.

It is an arithmetic number, because the mean of its divisors is an integer number (475904).

Almost surely, 2^3936321 is an apocalyptic number.

It is an amenable number.

3936321 is a deficient number, since it is larger than the sum of its proper divisors (1774527).

3936321 is a wasteful number, since it uses less digits than its factorization.

3936321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1929 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 3936321 is about 1984.0163809808. The cubic root of 3936321 is about 157.8932275470.

The spelling of 3936321 in words is "three million, nine hundred thirty-six thousand, three hundred twenty-one".