3930869782 has 16 divisors (see below), whose sum is σ = 6757413120. Its totient is φ = 1679963688.

The previous prime is 3930869771. The next prime is 3930869801. The reversal of 3930869782 is 2879680393.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386028 + ... + 396079.

It is an arithmetic number, because the mean of its divisors is an integer number (422338320).

Almost surely, 2^3930869782 is an apocalyptic number.

3930869782 is a deficient number, since it is larger than the sum of its proper divisors (2826543338).

3930869782 is a wasteful number, since it uses less digits than its factorization.

3930869782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782475.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 3930869782 is about 62696.6488897134. The cubic root of 3930869782 is about 1578.2030767852.

The spelling of 3930869782 in words is "three billion, nine hundred thirty million, eight hundred sixty-nine thousand, seven hundred eighty-two".