14421340 has 48 divisors (see below), whose sum is σ = 31822560. Its totient is φ = 5483520.

The previous prime is 14421317. The next prime is 14421347. The reversal of 14421340 is 4312441.

14421340 = T₁₀₀ + T₁₀₁ + ... + T₄₄₃.

14421340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35056 + ... + 35464.

It is an arithmetic number, because the mean of its divisors is an integer number (662970).

Almost surely, 2^14421340 is an apocalyptic number.

14421340 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 14421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15911280).

14421340 is an abundant number, since it is smaller than the sum of its proper divisors (17401220).

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

14421340 is a wasteful number, since it uses less digits than its factorization.

14421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 14421340 is about 3797.5439431296. The cubic root of 14421340 is about 243.4082003113.

Adding to 14421340 its reverse (4312441), we get a palindrome (18733781).

The spelling of 14421340 in words is "fourteen million, four hundred twenty-one thousand, three hundred forty".