14181916 has 24 divisors (see below), whose sum is σ = 29025920. Its totient is φ = 5936112.

The previous prime is 14181913. The next prime is 14181917. The reversal of 14181916 is 61918141.

It is a super-2 number, since 2×14181916² = 402253482862112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14181913) 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 in 7 ways as a sum of consecutive naturals, for example, 4686 + ... + 7093.

Almost surely, 2^14181916 is an apocalyptic number.

It is an amenable number.

14181916 is an abundant number, since it is smaller than the sum of its proper divisors (14844004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14181916 is a wasteful number, since it uses less digits than its factorization.

14181916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833 (or 11831 counting only the distinct ones).

The product of its digits is 1728, while the sum is 31.

The square root of 14181916 is about 3765.8884741851. Note that the first 3 decimals coincide. The cubic root of 14181916 is about 242.0536501956.

The spelling of 14181916 in words is "fourteen million, one hundred eighty-one thousand, nine hundred sixteen".