3966812383 has 4 divisors (see below), whose sum is σ = 3968927640. Its totient is φ = 3964697128.

The previous prime is 3966812327. The next prime is 3966812407. The reversal of 3966812383 is 3832186693.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3966812383 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966812303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054813 + ... + 1058566.

It is an arithmetic number, because the mean of its divisors is an integer number (992231910).

Almost surely, 2^3966812383 is an apocalyptic number.

3966812383 is a deficient number, since it is larger than the sum of its proper divisors (2115257).

3966812383 is a wasteful number, since it uses less digits than its factorization.

3966812383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115256.

The product of its digits is 1119744, while the sum is 49.

The square root of 3966812383 is about 62982.6355672736. The cubic root of 3966812383 is about 1582.9986825689.

The spelling of 3966812383 in words is "three billion, nine hundred sixty-six million, eight hundred twelve thousand, three hundred eighty-three".