14143860 has 36 divisors (see below), whose sum is σ = 42903588. Its totient is φ = 3771648.

The previous prime is 14143859. The next prime is 14143867. The reversal of 14143860 is 6834141.

It can be written as a sum of positive squares in 2 ways, for example, as 9108324 + 5035536 = 3018^2 + 2244^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×14143860³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39109 + ... + 39468.

Almost surely, 2^14143860 is an apocalyptic number.

14143860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14143860 is an abundant number, since it is smaller than the sum of its proper divisors (28759728).

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

14143860 is a wasteful number, since it uses less digits than its factorization.

14143860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78592 (or 78587 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 14143860 is about 3760.8323546789. The cubic root of 14143860 is about 241.8369459192.

The spelling of 14143860 in words is "fourteen million, one hundred forty-three thousand, eight hundred sixty".