14389540 has 24 divisors (see below), whose sum is σ = 32965632. Its totient is φ = 5232480.

The previous prime is 14389537. The next prime is 14389547. The reversal of 14389540 is 4598341.

It is a super-2 number, since 2×14389540² = 414117722823200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14389496 and 14389505.

It is not an unprimeable number, because it can be changed into a prime (14389547) 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 7 ways as a sum of consecutive naturals, for example, 32484 + ... + 32923.

It is an arithmetic number, because the mean of its divisors is an integer number (1373568).

Almost surely, 2^14389540 is an apocalyptic number.

14389540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14389540 is an abundant number, since it is smaller than the sum of its proper divisors (18576092).

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

14389540 is a wasteful number, since it uses less digits than its factorization.

14389540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65427 (or 65425 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 14389540 is about 3793.3547158155. The cubic root of 14389540 is about 243.2291583013.

The spelling of 14389540 in words is "fourteen million, three hundred eighty-nine thousand, five hundred forty".