420534835 has 8 divisors (see below), whose sum is σ = 576733536. Its totient is φ = 288366720.

The previous prime is 420534773. The next prime is 420534839. The reversal of 420534835 is 538435024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420534835 - 2⁷ = 420534707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420534835.

It is not an unprimeable number, because it can be changed into a prime (420534839) 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 7 ways as a sum of consecutive naturals, for example, 6007606 + ... + 6007675.

It is an arithmetic number, because the mean of its divisors is an integer number (72091692).

Almost surely, 2^420534835 is an apocalyptic number.

420534835 is a deficient number, since it is larger than the sum of its proper divisors (156198701).

420534835 is a wasteful number, since it uses less digits than its factorization.

420534835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015293.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 420534835 is about 20506.9460183617. The cubic root of 420534835 is about 749.2049857156.

Adding to 420534835 its reverse (538435024), we get a palindrome (958969859).

The spelling of 420534835 in words is "four hundred twenty million, five hundred thirty-four thousand, eight hundred thirty-five".