421411434 has 16 divisors (see below), whose sum is σ = 844440672. Its totient is φ = 140200848.

The previous prime is 421411387. The next prime is 421411439. The reversal of 421411434 is 434114124.

It is not an unprimeable number, because it can be changed into a prime (421411439) 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, 64009 + ... + 70284.

It is an arithmetic number, because the mean of its divisors is an integer number (52777542).

Almost surely, 2^421411434 is an apocalyptic number.

421411434 is an abundant number, since it is smaller than the sum of its proper divisors (423029238).

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

421411434 is a wasteful number, since it uses less digits than its factorization.

421411434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134821.

The product of its digits is 1536, while the sum is 24.

The square root of 421411434 is about 20528.3081134320. The cubic root of 421411434 is about 749.7251935431.

Adding to 421411434 its reverse (434114124), we get a palindrome (855525558).

The spelling of 421411434 in words is "four hundred twenty-one million, four hundred eleven thousand, four hundred thirty-four".