3936388 has 12 divisors (see below), whose sum is σ = 6928012. Its totient is φ = 1956960.

The previous prime is 3936353. The next prime is 3936437. The reversal of 3936388 is 8836393.

It can be written as a sum of positive squares in 2 ways, for example, as 831744 + 3104644 = 912^2 + 1762^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3936388.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1995 + ... + 3442.

Almost surely, 2^3936388 is an apocalyptic number.

It is an amenable number.

3936388 is a deficient number, since it is larger than the sum of its proper divisors (2991624).

3936388 is a wasteful number, since it uses less digits than its factorization.

3936388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622 (or 5620 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 3936388 is about 1984.0332658501. The cubic root of 3936388 is about 157.8941233738.

The spelling of 3936388 in words is "three million, nine hundred thirty-six thousand, three hundred eighty-eight".