14023840 has 24 divisors (see below), whose sum is σ = 33131700. Its totient is φ = 5609472.

The previous prime is 14023829. The next prime is 14023847. The reversal of 14023840 is 4832041.

It can be written as a sum of positive squares in 2 ways, for example, as 13749264 + 274576 = 3708^2 + 524^2 .

It is not an unprimeable number, because it can be changed into a prime (14023847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43665 + ... + 43984.

Almost surely, 2^14023840 is an apocalyptic number.

14023840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14023840 is an abundant number, since it is smaller than the sum of its proper divisors (19107860).

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

14023840 is an equidigital number, since it uses as much as digits as its factorization.

14023840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87664 (or 87656 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 14023840 is about 3744.8417857100. The cubic root of 14023840 is about 241.1509531039.

Adding to 14023840 its reverse (4832041), we get a palindrome (18855881).

The spelling of 14023840 in words is "fourteen million, twenty-three thousand, eight hundred forty".