421340014 has 16 divisors (see below), whose sum is σ = 654811920. Its totient is φ = 203091840.

The previous prime is 421340011. The next prime is 421340021. The reversal of 421340014 is 410043124.

It is a junction number, because it is equal to n+sod(n) for n = 421339973 and 421340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421340011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34822 + ... + 45334.

It is an arithmetic number, because the mean of its divisors is an integer number (40925745).

Almost surely, 2^421340014 is an apocalyptic number.

421340014 is a deficient number, since it is larger than the sum of its proper divisors (233471906).

421340014 is a wasteful number, since it uses less digits than its factorization.

421340014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11235.

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

The square root of 421340014 is about 20526.5684906172. The cubic root of 421340014 is about 749.6828371551.

Adding to 421340014 its reverse (410043124), we get a palindrome (831383138).

The spelling of 421340014 in words is "four hundred twenty-one million, three hundred forty thousand, fourteen".