14380420 has 24 divisors (see below), whose sum is σ = 31016664. Its totient is φ = 5596416.

The previous prime is 14380369. The next prime is 14380423. The reversal of 14380420 is 2408341.

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 13089924 = 1136^2 + 3618^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14380391 and 14380400.

It is not an unprimeable number, because it can be changed into a prime (14380423) 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 7 ways as a sum of consecutive naturals, for example, 8977 + ... + 10456.

It is an arithmetic number, because the mean of its divisors is an integer number (1292361).

Almost surely, 2^14380420 is an apocalyptic number.

14380420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14380420 is an abundant number, since it is smaller than the sum of its proper divisors (16636244).

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

14380420 is a wasteful number, since it uses less digits than its factorization.

14380420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19479 (or 19477 counting only the distinct ones).

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

The square root of 14380420 is about 3792.1524230969. The cubic root of 14380420 is about 243.1777617377.

Adding to 14380420 its reverse (2408341), we get a palindrome (16788761).

The spelling of 14380420 in words is "fourteen million, three hundred eighty thousand, four hundred twenty".