3967965834 has 16 divisors (see below), whose sum is σ = 9069636288. Its totient is φ = 1133704512.

The previous prime is 3967965809. The next prime is 3967965839. The reversal of 3967965834 is 4385697693.

It is not an unprimeable number, because it can be changed into a prime (3967965839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47237647 + ... + 47237730.

It is an arithmetic number, because the mean of its divisors is an integer number (566852268).

Almost surely, 2^3967965834 is an apocalyptic number.

3967965834 is an abundant number, since it is smaller than the sum of its proper divisors (5101670454).

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

3967965834 is a wasteful number, since it uses less digits than its factorization.

3967965834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94475389.

The product of its digits is 29393280, while the sum is 60.

The square root of 3967965834 is about 62991.7917986145. The cubic root of 3967965834 is about 1583.1520999974.

The spelling of 3967965834 in words is "three billion, nine hundred sixty-seven million, nine hundred sixty-five thousand, eight hundred thirty-four".