14109858 has 48 divisors (see below), whose sum is σ = 35283456. Its totient is φ = 3991680.

The previous prime is 14109829. The next prime is 14109871. The reversal of 14109858 is 85890141.

14109858 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13743 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (735072).

Almost surely, 2^14109858 is an apocalyptic number.

14109858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14109858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17641728).

14109858 is an abundant number, since it is smaller than the sum of its proper divisors (21173598).

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

14109858 is a wasteful number, since it uses less digits than its factorization.

14109858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 14109858 is about 3756.3090927132. The cubic root of 14109858 is about 241.6429974969.

Adding to 14109858 its reverse (85890141), we get a palindrome (99999999).

The spelling of 14109858 in words is "fourteen million, one hundred nine thousand, eight hundred fifty-eight".