428414828 has 6 divisors (see below), whose sum is σ = 749725956. Its totient is φ = 214207412.

The previous prime is 428414827. The next prime is 428414837. The reversal of 428414828 is 828414824.

It is not an unprimeable number, because it can be changed into a prime (428414827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53551850 + ... + 53551857.

It is an arithmetic number, because the mean of its divisors is an integer number (124954326).

Almost surely, 2^428414828 is an apocalyptic number.

It is an amenable number.

428414828 is a deficient number, since it is larger than the sum of its proper divisors (321311128).

428414828 is a wasteful number, since it uses less digits than its factorization.

428414828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107103711 (or 107103709 counting only the distinct ones).

The product of its digits is 131072, while the sum is 41.

The square root of 428414828 is about 20698.1841715644. The cubic root of 428414828 is about 753.8555988084.

The spelling of 428414828 in words is "four hundred twenty-eight million, four hundred fourteen thousand, eight hundred twenty-eight".