14187938 has 4 divisors (see below), whose sum is σ = 21281910. Its totient is φ = 7093968.

The previous prime is 14187923. The next prime is 14187967. The reversal of 14187938 is 83978141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8219689 + 5968249 = 2867^2 + 2443^2 .

It is a super-3 number, since 3×14187938³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14187895 and 14187904.

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 as a sum of consecutive naturals, namely, 3546983 + ... + 3546986.

Almost surely, 2^14187938 is an apocalyptic number.

14187938 is a deficient number, since it is larger than the sum of its proper divisors (7093972).

14187938 is an equidigital number, since it uses as much as digits as its factorization.

14187938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7093971.

The product of its digits is 48384, while the sum is 41.

The square root of 14187938 is about 3766.6879350432. The cubic root of 14187938 is about 242.0879060468.

The spelling of 14187938 in words is "fourteen million, one hundred eighty-seven thousand, nine hundred thirty-eight".