428828106 has 24 divisors (see below), whose sum is σ = 997682400. Its totient is φ = 122522232.

The previous prime is 428828089. The next prime is 428828117. The reversal of 428828106 is 601828824.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 729006 + ... + 729593.

It is an arithmetic number, because the mean of its divisors is an integer number (41570100).

Almost surely, 2^428828106 is an apocalyptic number.

428828106 is an abundant number, since it is smaller than the sum of its proper divisors (568854294).

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

428828106 is a wasteful number, since it uses less digits than its factorization.

428828106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458618 (or 1458611 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 428828106 is about 20708.1652011954. The cubic root of 428828106 is about 754.0979276496.

The spelling of 428828106 in words is "four hundred twenty-eight million, eight hundred twenty-eight thousand, one hundred six".