14311988 has 6 divisors (see below), whose sum is σ = 25045986. Its totient is φ = 7155992.

The previous prime is 14311981. The next prime is 14312009. The reversal of 14311988 is 88911341.

It can be written as a sum of positive squares in only one way, i.e., 14303524 + 8464 = 3782^2 + 92^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14311981) by changing a digit.

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 as a sum of consecutive naturals, namely, 1788995 + ... + 1789002.

It is an arithmetic number, because the mean of its divisors is an integer number (4174331).

Almost surely, 2^14311988 is an apocalyptic number.

It is an amenable number.

14311988 is a deficient number, since it is larger than the sum of its proper divisors (10733998).

14311988 is a wasteful number, since it uses less digits than its factorization.

14311988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578001 (or 3577999 counting only the distinct ones).

The product of its digits is 6912, while the sum is 35.

The square root of 14311988 is about 3783.1188191755. The cubic root of 14311988 is about 242.7914121667.

The spelling of 14311988 in words is "fourteen million, three hundred eleven thousand, nine hundred eighty-eight".