14394857 has 4 divisors (see below), whose sum is σ = 14405700. Its totient is φ = 14384016.

The previous prime is 14394851. The next prime is 14394889. The reversal of 14394857 is 75849341.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 11669056 = 1651^2 + 3416^2 .

It is a cyclic number.

It is not a de Polignac number, because 14394857 - 2¹⁰ = 14393833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14394851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3098 + ... + 6195.

It is an arithmetic number, because the mean of its divisors is an integer number (3601425).

Almost surely, 2^14394857 is an apocalyptic number.

14394857 is the 3098-th pentagonal number.

It is an amenable number.

14394857 is a deficient number, since it is larger than the sum of its proper divisors (10843).

14394857 is an equidigital number, since it uses as much as digits as its factorization.

14394857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842.

The product of its digits is 120960, while the sum is 41.

The square root of 14394857 is about 3794.0554819349. The cubic root of 14394857 is about 243.2591127029.

It can be divided in two parts, 14394 and 857, that added together give a palindrome (15251).

The spelling of 14394857 in words is "fourteen million, three hundred ninety-four thousand, eight hundred fifty-seven".