421333014 has 16 divisors (see below), whose sum is σ = 851010480. Its totient is φ = 139053600.

The previous prime is 421333009. The next prime is 421333019. The reversal of 421333014 is 410333124.

It is an interprime number because it is at equal distance from previous prime (421333009) and next prime (421333019).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421333019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347029 + ... + 348240.

It is an arithmetic number, because the mean of its divisors is an integer number (53188155).

Almost surely, 2^421333014 is an apocalyptic number.

421333014 is an abundant number, since it is smaller than the sum of its proper divisors (429677466).

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

421333014 is a wasteful number, since it uses less digits than its factorization.

421333014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695375.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 421333014 is about 20526.3979791877. The cubic root of 421333014 is about 749.6786854734.

Adding to 421333014 its reverse (410333124), we get a palindrome (831666138).

The spelling of 421333014 in words is "four hundred twenty-one million, three hundred thirty-three thousand, fourteen".