428858706 has 16 divisors (see below), whose sum is σ = 858148704. Its totient is φ = 142881024.

The previous prime is 428858701. The next prime is 428858707. The reversal of 428858706 is 607858824.

It is not an unprimeable number, because it can be changed into a prime (428858701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 29591.

It is an arithmetic number, because the mean of its divisors is an integer number (53634294).

Almost surely, 2^428858706 is an apocalyptic number.

428858706 is an abundant number, since it is smaller than the sum of its proper divisors (429289998).

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

428858706 is a wasteful number, since it uses less digits than its factorization.

428858706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35945.

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 428858706 is about 20708.9040270121. The cubic root of 428858706 is about 754.1158640110.

The spelling of 428858706 in words is "four hundred twenty-eight million, eight hundred fifty-eight thousand, seven hundred six".