4167986 has 8 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 2071348.

The previous prime is 4167979. The next prime is 4168001. The reversal of 4167986 is 6897614.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5906 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^4167986 is an apocalyptic number.

4167986 is a deficient number, since it is larger than the sum of its proper divisors (2121934).

4167986 is a wasteful number, since it uses less digits than its factorization.

4167986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648.

The product of its digits is 72576, while the sum is 41.

The square root of 4167986 is about 2041.5645960880. The cubic root of 4167986 is about 160.9318796730.

The spelling of 4167986 in words is "four million, one hundred sixty-seven thousand, nine hundred eighty-six".