3893944167 has 12 divisors (see below), whose sum is σ = 5649150520. Its totient is φ = 2584625328.

The previous prime is 3893944157. The next prime is 3893944169. The reversal of 3893944167 is 7614493983.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3893944167 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 (3893944169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942613 + ... + 946734.

Almost surely, 2^3893944167 is an apocalyptic number.

3893944167 is a deficient number, since it is larger than the sum of its proper divisors (1755206353).

3893944167 is a wasteful number, since it uses less digits than its factorization.

3893944167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889582 (or 1889579 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 3893944167 is about 62401.4756796664. The cubic root of 3893944167 is about 1573.2457723472.

The spelling of 3893944167 in words is "three billion, eight hundred ninety-three million, nine hundred forty-four thousand, one hundred sixty-seven".