14189861 has 6 divisors (see below), whose sum is σ = 16506630. Its totient is φ = 12162696.

The previous prime is 14189809. The next prime is 14189869. The reversal of 14189861 is 16898141.

It can be written as a sum of positive squares in only one way, i.e., 14025025 + 164836 = 3745^2 + 406^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14189861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14189869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144746 + ... + 144843.

It is an arithmetic number, because the mean of its divisors is an integer number (2751105).

Almost surely, 2^14189861 is an apocalyptic number.

It is an amenable number.

14189861 is a deficient number, since it is larger than the sum of its proper divisors (2316769).

14189861 is an equidigital number, since it uses as much as digits as its factorization.

14189861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289603 (or 289596 counting only the distinct ones).

The product of its digits is 13824, while the sum is 38.

The square root of 14189861 is about 3766.9431904397. The cubic root of 14189861 is about 242.0988428959.

The spelling of 14189861 in words is "fourteen million, one hundred eighty-nine thousand, eight hundred sixty-one".