428847042 has 16 divisors (see below), whose sum is σ = 923670720. Its totient is φ = 131952912.

The previous prime is 428847037. The next prime is 428847053. The reversal of 428847042 is 240748824.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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, 2748942 + ... + 2749097.

It is an arithmetic number, because the mean of its divisors is an integer number (57729420).

Almost surely, 2^428847042 is an apocalyptic number.

428847042 is an abundant number, since it is smaller than the sum of its proper divisors (494823678).

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

428847042 is a wasteful number, since it uses less digits than its factorization.

428847042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498057.

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 428847042 is about 20708.6224071038. The cubic root of 428847042 is about 754.1090271927.

The spelling of 428847042 in words is "four hundred twenty-eight million, eight hundred forty-seven thousand, forty-two".