14001408 has 108 divisors (see below), whose sum is σ = 41452320. Its totient is φ = 4543488.

The previous prime is 14001401. The next prime is 14001419. The reversal of 14001408 is 80410041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14001401) 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, 135885 + ... + 135987.

Almost surely, 2^14001408 is an apocalyptic number.

14001408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14001408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20726160).

14001408 is an abundant number, since it is smaller than the sum of its proper divisors (27450912).

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

14001408 is a wasteful number, since it uses less digits than its factorization.

14001408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 14001408 is about 3741.8455339578. The cubic root of 14001408 is about 241.0223058617.

Adding to 14001408 its reverse (80410041), we get a palindrome (94411449).

The spelling of 14001408 in words is "fourteen million, one thousand, four hundred eight".