3967896786 has 16 divisors (see below), whose sum is σ = 9069478464. Its totient is φ = 1133684784.

The previous prime is 3967896719. The next prime is 3967896791. The reversal of 3967896786 is 6876987693.

It is a self number, because there is not a number n which added to its sum of digits gives 3967896786.

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, 47236825 + ... + 47236908.

It is an arithmetic number, because the mean of its divisors is an integer number (566842404).

Almost surely, 2^3967896786 is an apocalyptic number.

3967896786 is an abundant number, since it is smaller than the sum of its proper divisors (5101581678).

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

3967896786 is a wasteful number, since it uses less digits than its factorization.

3967896786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94473745.

The product of its digits is 164602368, while the sum is 69.

The square root of 3967896786 is about 62991.2437248226. The cubic root of 3967896786 is about 1583.1429169445.

The spelling of 3967896786 in words is "three billion, nine hundred sixty-seven million, eight hundred ninety-six thousand, seven hundred eighty-six".