3896965867 has 4 divisors (see below), whose sum is σ = 3898351080. Its totient is φ = 3895580656.

The previous prime is 3896965847. The next prime is 3896965883. The reversal of 3896965867 is 7685696983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3896965867 - 2¹⁵ = 3896933099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3896965847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688378 + ... + 694015.

It is an arithmetic number, because the mean of its divisors is an integer number (974587770).

Almost surely, 2^3896965867 is an apocalyptic number.

3896965867 is a deficient number, since it is larger than the sum of its proper divisors (1385213).

3896965867 is a wasteful number, since it uses less digits than its factorization.

3896965867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385212.

The product of its digits is 117573120, while the sum is 67.

The square root of 3896965867 is about 62425.6827515727. The cubic root of 3896965867 is about 1573.6526132783.

The spelling of 3896965867 in words is "three billion, eight hundred ninety-six million, nine hundred sixty-five thousand, eight hundred sixty-seven".