3967955842 has 16 divisors (see below), whose sum is σ = 6054070464. Its totient is φ = 1950102000.

The previous prime is 3967955779. The next prime is 3967955857. The reversal of 3967955842 is 2485597693.

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, 4792 + ... + 89212.

It is an arithmetic number, because the mean of its divisors is an integer number (378379404).

Almost surely, 2^3967955842 is an apocalyptic number.

3967955842 is a deficient number, since it is larger than the sum of its proper divisors (2086114622).

3967955842 is a wasteful number, since it uses less digits than its factorization.

3967955842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84825.

The product of its digits is 16329600, while the sum is 58.

The square root of 3967955842 is about 62991.7124866438. The cubic root of 3967955842 is about 1583.1507711159.

The spelling of 3967955842 in words is "three billion, nine hundred sixty-seven million, nine hundred fifty-five thousand, eight hundred forty-two".