3966787 has 8 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 3449160.

The previous prime is 3966779. The next prime is 3966799. The reversal of 3966787 is 7876693.

3966787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3966787 - 2³ = 3966779 is a prime.

It is a Duffinian number.

3966787 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966727) 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 7 ways as a sum of consecutive naturals, for example, 7587 + ... + 8092.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

Almost surely, 2^3966787 is an apocalyptic number.

3966787 is a deficient number, since it is larger than the sum of its proper divisors (549053).

3966787 is a wasteful number, since it uses less digits than its factorization.

3966787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713.

The product of its digits is 381024, while the sum is 46.

The square root of 3966787 is about 1991.6794420790. The cubic root of 3966787 is about 158.2995306110.

It can be divided in two parts, 3966 and 787, that added together give a triangular number (4753 = T₉₇).

The spelling of 3966787 in words is "three million, nine hundred sixty-six thousand, seven hundred eighty-seven".