421334067 has 16 divisors (see below), whose sum is σ = 700399872. Its totient is φ = 218874720.

The previous prime is 421334041. The next prime is 421334071. The reversal of 421334067 is 760433124.

It is not a de Polignac number, because 421334067 - 2⁶ = 421334003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421334267) 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 15 ways as a sum of consecutive naturals, for example, 911748 + ... + 912209.

It is an arithmetic number, because the mean of its divisors is an integer number (43774992).

Almost surely, 2^421334067 is an apocalyptic number.

421334067 is a deficient number, since it is larger than the sum of its proper divisors (279065805).

421334067 is a wasteful number, since it uses less digits than its factorization.

421334067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823978.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 421334067 is about 20526.4236290689. The cubic root of 421334067 is about 749.6793100079.

The spelling of 421334067 in words is "four hundred twenty-one million, three hundred thirty-four thousand, sixty-seven".