3966447935 has 8 divisors (see below), whose sum is σ = 4760099136. Its totient is φ = 3172917280.

The previous prime is 3966447931. The next prime is 3966447941. The reversal of 3966447935 is 5397446693.

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

It is not a de Polignac number, because 3966447935 - 2² = 3966447931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966447931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76682 + ... + 117528.

It is an arithmetic number, because the mean of its divisors is an integer number (595012392).

Almost surely, 2^3966447935 is an apocalyptic number.

3966447935 is a deficient number, since it is larger than the sum of its proper divisors (793651201).

3966447935 is a wasteful number, since it uses less digits than its factorization.

3966447935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60273.

The product of its digits is 14696640, while the sum is 56.

The square root of 3966447935 is about 62979.7422589201. The cubic root of 3966447935 is about 1582.9502021336.

The spelling of 3966447935 in words is "three billion, nine hundred sixty-six million, four hundred forty-seven thousand, nine hundred thirty-five".