428914842 has 8 divisors (see below), whose sum is σ = 857829696. Its totient is φ = 142971612.

The previous prime is 428914807. The next prime is 428914859. The reversal of 428914842 is 248419824.

It is a sphenic number, since it is the product of 3 distinct primes.

428914842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 428914794 and 428914803.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35742898 + ... + 35742909.

It is an arithmetic number, because the mean of its divisors is an integer number (107228712).

Almost surely, 2^428914842 is an apocalyptic number.

428914842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428914842 is a wasteful number, since it uses less digits than its factorization.

428914842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71485812.

The product of its digits is 147456, while the sum is 42.

The square root of 428914842 is about 20710.2593416886. The cubic root of 428914842 is about 754.1487662238.

The spelling of 428914842 in words is "four hundred twenty-eight million, nine hundred fourteen thousand, eight hundred forty-two".