3940805167 has 8 divisors (see below), whose sum is σ = 4246166624. Its totient is φ = 3635761248.

The previous prime is 3940805161. The next prime is 3940805243. The reversal of 3940805167 is 7615080493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3940805167 - 2⁷ = 3940805039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940805161) 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, 53283 + ... + 103540.

It is an arithmetic number, because the mean of its divisors is an integer number (530770828).

Almost surely, 2^3940805167 is an apocalyptic number.

3940805167 is a deficient number, since it is larger than the sum of its proper divisors (305361457).

3940805167 is a wasteful number, since it uses less digits than its factorization.

3940805167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158769.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 3940805167 is about 62775.8326667198. The cubic root of 3940805167 is about 1579.5316091431.

The spelling of 3940805167 in words is "three billion, nine hundred forty million, eight hundred five thousand, one hundred sixty-seven".