14286861 has 20 divisors (see below), whose sum is σ = 21462012. Its totient is φ = 9471168.

The previous prime is 14286809. The next prime is 14286863. The reversal of 14286861 is 16868241.

It can be written as a sum of positive squares in 2 ways, for example, as 5731236 + 8555625 = 2394^2 + 2925^2 .

It is not a de Polignac number, because 14286861 - 2¹⁰ = 14285837 is a prime.

It is a super-2 number, since 2×14286861² = 408228794466642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14286863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18495 + ... + 19251.

Almost surely, 2^14286861 is an apocalyptic number.

It is an amenable number.

14286861 is a deficient number, since it is larger than the sum of its proper divisors (7175151).

14286861 is an equidigital number, since it uses as much as digits as its factorization.

14286861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 993 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 14286861 is about 3779.7964230895. The cubic root of 14286861 is about 242.6492424577.

The spelling of 14286861 in words is "fourteen million, two hundred eighty-six thousand, eight hundred sixty-one".