14388738 has 96 divisors (see below), whose sum is σ = 37892736. Its totient is φ = 3545856.

The previous prime is 14388733. The next prime is 14388739. The reversal of 14388738 is 83788341.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 14388738.

It is not an unprimeable number, because it can be changed into a prime (14388733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 197070 + ... + 197142.

It is an arithmetic number, because the mean of its divisors is an integer number (394716).

Almost surely, 2^14388738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14388738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18946368).

14388738 is an abundant number, since it is smaller than the sum of its proper divisors (23503998).

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

14388738 is a wasteful number, since it uses less digits than its factorization.

14388738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 117 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 14388738 is about 3793.2490031634. The cubic root of 14388738 is about 243.2246394307.

The spelling of 14388738 in words is "fourteen million, three hundred eighty-eight thousand, seven hundred thirty-eight".