428454811 has 6 divisors (see below), whose sum is σ = 433331012. Its totient is φ = 423632880.

The previous prime is 428454737. The next prime is 428454913. The reversal of 428454811 is 118454824.

It is a de Polignac number, because none of the positive numbers 2^k-428454811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428454011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19125 + ... + 34966.

Almost surely, 2^428454811 is an apocalyptic number.

428454811 is a deficient number, since it is larger than the sum of its proper divisors (4876201).

428454811 is an frugal number, since it uses more digits than its factorization.

428454811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54269 (or 54180 counting only the distinct ones).

The product of its digits is 40960, while the sum is 37.

The square root of 428454811 is about 20699.1500067032. The cubic root of 428454811 is about 753.8790499659.

It can be divided in two parts, 4284 and 54811, that added together give a palindrome (59095).

The spelling of 428454811 in words is "four hundred twenty-eight million, four hundred fifty-four thousand, eight hundred eleven".