3959703842 has 16 divisors (see below), whose sum is σ = 6175276800. Its totient is φ = 1902197520.

The previous prime is 3959703823. The next prime is 3959703883. The reversal of 3959703842 is 2483079593.

It is a happy number.

It is an unprimeable number.

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, 221117 + ... + 238352.

It is an arithmetic number, because the mean of its divisors is an integer number (385954800).

Almost surely, 2^3959703842 is an apocalyptic number.

3959703842 is a deficient number, since it is larger than the sum of its proper divisors (2215572958).

3959703842 is a wasteful number, since it uses less digits than its factorization.

3959703842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459641.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 3959703842 is about 62926.1777164321. The cubic root of 3959703842 is about 1582.0525375418.

The spelling of 3959703842 in words is "three billion, nine hundred fifty-nine million, seven hundred three thousand, eight hundred forty-two".