3983690 has 8 divisors (see below), whose sum is σ = 7170660. Its totient is φ = 1593472.

The previous prime is 3983689. The next prime is 3983699. The reversal of 3983690 is 963893.

It is a happy number.

3983690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3853369 + 130321 = 1963^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3983690² = 31739572032200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3983699) 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 in 3 ways as a sum of consecutive naturals, for example, 199175 + ... + 199194.

Almost surely, 2^3983690 is an apocalyptic number.

3983690 is a deficient number, since it is larger than the sum of its proper divisors (3186970).

3983690 is a wasteful number, since it uses less digits than its factorization.

3983690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398376.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3983690 is about 1995.9183350027. The cubic root of 3983690 is about 158.5240570251.

The spelling of 3983690 in words is "three million, nine hundred eighty-three thousand, six hundred ninety".