3967891862 has 16 divisors (see below), whose sum is σ = 6520089600. Its totient is φ = 1796038440.

The previous prime is 3967891801. The next prime is 3967891883. The reversal of 3967891862 is 2681987693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372062 + ... + 382577.

It is an arithmetic number, because the mean of its divisors is an integer number (407505600).

Almost surely, 2^3967891862 is an apocalyptic number.

3967891862 is a deficient number, since it is larger than the sum of its proper divisors (2552197738).

3967891862 is a wasteful number, since it uses less digits than its factorization.

3967891862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754891.

The product of its digits is 7838208, while the sum is 59.

The square root of 3967891862 is about 62991.2046400130. The cubic root of 3967891862 is about 1583.1422620721.

The spelling of 3967891862 in words is "three billion, nine hundred sixty-seven million, eight hundred ninety-one thousand, eight hundred sixty-two".