14389520 has 80 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 5440512.

The previous prime is 14389489. The next prime is 14389537. The reversal of 14389520 is 2598341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161636 + ... + 161724.

It is an arithmetic number, because the mean of its divisors is an integer number (441936).

Almost surely, 2^14389520 is an apocalyptic number.

14389520 is a gapful number since it is divisible by the number (10) 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 14389520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17677440).

14389520 is an abundant number, since it is smaller than the sum of its proper divisors (20965360).

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

14389520 is a wasteful number, since it uses less digits than its factorization.

14389520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 14389520 is about 3793.3520796256. The cubic root of 14389520 is about 243.2290456133.

The spelling of 14389520 in words is "fourteen million, three hundred eighty-nine thousand, five hundred twenty".