420834311 has 8 divisors (see below), whose sum is σ = 424597248. Its totient is φ = 417088000.

The previous prime is 420834277. The next prime is 420834347. The reversal of 420834311 is 113438024.

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

It is a cyclic number.

It is not a de Polignac number, because 420834311 - 2²⁶ = 353725447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420834361) 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, 49751 + ... + 57591.

It is an arithmetic number, because the mean of its divisors is an integer number (53074656).

Almost surely, 2^420834311 is an apocalyptic number.

420834311 is a deficient number, since it is larger than the sum of its proper divisors (3762937).

420834311 is a wasteful number, since it uses less digits than its factorization.

420834311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8313.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 420834311 is about 20514.2465374676. The cubic root of 420834311 is about 749.3827876119.

The spelling of 420834311 in words is "four hundred twenty million, eight hundred thirty-four thousand, three hundred eleven".