14181864 has 32 divisors (see below), whose sum is σ = 35805120. Its totient is φ = 4680576.

The previous prime is 14181857. The next prime is 14181877. The reversal of 14181864 is 46818141.

14181864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14181864² = 402250533028992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397 + ... + 5340.

It is an arithmetic number, because the mean of its divisors is an integer number (1118910).

Almost surely, 2^14181864 is an apocalyptic number.

It is an amenable number.

14181864 is an abundant number, since it is smaller than the sum of its proper divisors (21623256).

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

14181864 is a wasteful number, since it uses less digits than its factorization.

14181864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5849 (or 5845 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 14181864 is about 3765.8815700975. The cubic root of 14181864 is about 242.0533543539.

The spelling of 14181864 in words is "fourteen million, one hundred eighty-one thousand, eight hundred sixty-four".