428804142 has 32 divisors (see below), whose sum is σ = 927134208. Its totient is φ = 131431776.

The previous prime is 428804099. The next prime is 428804143. The reversal of 428804142 is 241408824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428804143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10063 + ... + 30965.

It is an arithmetic number, because the mean of its divisors is an integer number (28972944).

Almost surely, 2^428804142 is an apocalyptic number.

428804142 is an abundant number, since it is smaller than the sum of its proper divisors (498330066).

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

428804142 is a wasteful number, since it uses less digits than its factorization.

428804142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21184.

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 428804142 is about 20707.5865807679. The cubic root of 428804142 is about 754.0838804209.

The spelling of 428804142 in words is "four hundred twenty-eight million, eight hundred four thousand, one hundred forty-two".