14090420 has 12 divisors (see below), whose sum is σ = 29589924. Its totient is φ = 5636160.

The previous prime is 14090411. The next prime is 14090423. The reversal of 14090420 is 2409041.

It can be written as a sum of positive squares in 2 ways, for example, as 10201636 + 3888784 = 3194^2 + 1972^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 704521 = 14090420 / (1 + 4 + 0 + 9 + 0 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 14090392 and 14090401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14090423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352241 + ... + 352280.

It is an arithmetic number, because the mean of its divisors is an integer number (2465827).

Almost surely, 2^14090420 is an apocalyptic number.

14090420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14090420 is an abundant number, since it is smaller than the sum of its proper divisors (15499504).

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

14090420 is a wasteful number, since it uses less digits than its factorization.

14090420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704530 (or 704528 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 14090420 is about 3753.7208207324. The cubic root of 14090420 is about 241.5319825560.

Adding to 14090420 its reverse (2409041), we get a palindrome (16499461).

The spelling of 14090420 in words is "fourteen million, ninety thousand, four hundred twenty".