4311986 has 16 divisors (see below), whose sum is σ = 7503936. Its totient is φ = 1820016.

The previous prime is 4311977. The next prime is 4312003. The reversal of 4311986 is 6891134.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (468996).

Almost surely, 2^4311986 is an apocalyptic number.

4311986 is a deficient number, since it is larger than the sum of its proper divisors (3191950).

4311986 is a wasteful number, since it uses less digits than its factorization.

4311986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673.

The product of its digits is 5184, while the sum is 32.

The square root of 4311986 is about 2076.5322053847. The cubic root of 4311986 is about 162.7642847357.

The spelling of 4311986 in words is "four million, three hundred eleven thousand, nine hundred eighty-six".