3785807956 has 24 divisors (see below), whose sum is σ = 7649679296. Its totient is φ = 1605761280.

The previous prime is 3785807953. The next prime is 3785807989. The reversal of 3785807956 is 6597085873.

It is a self number, because there is not a number n which added to its sum of digits gives 3785807956.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3785807953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694230 + ... + 699661.

Almost surely, 2^3785807956 is an apocalyptic number.

It is an amenable number.

3785807956 is an abundant number, since it is smaller than the sum of its proper divisors (3863871340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3785807956 is a wasteful number, since it uses less digits than its factorization.

3785807956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393999 (or 1393997 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 58.

The square root of 3785807956 is about 61528.9196719721. The cubic root of 3785807956 is about 1558.5456470811.

The spelling of 3785807956 in words is "three billion, seven hundred eighty-five million, eight hundred seven thousand, nine hundred fifty-six".